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D'Alembert's Principle states that the resultant of all external forces and inertia forces acting on a body is zero for the body to be in dynamic equilibrium. Inertia forces are represented as minus mass times acceleration. The principle allows equations of static equilibrium to be applied to bodies undergoing translational motion by considering an imaginary inertia force equal and opposite to actual inertia. Several example problems are provided applying the principle to analyze motion of connected bodies over pulleys, motion on inclined planes, and motion within elevators.

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Introduction to Engineering Mechanics

The document provides an overview of applied mechanics, including definitions of mechanics, engineering, applied mechanics, and their various branches and topics. It also covers fundamental concepts such as units, scalars, vectors, and trigonometry functions that are important to mechanics. Examples of static force analysis using vector operations like resolution and resultant are presented.

Engineering Mechanics

In Engineering Mechanics the static problems are classified as two types: Concurrent and Non-Concurrent force systems. The presentation discloses a methodology to solve the problems of Concurrent and Non-Concurrent force systems.

Unit 5 Friction

THANGA KASI RAJAN S
ASSISTANT PROFESSOR
DEPARTMENT OF MECHANICAL ENGINEERING
KAMARAJ COLLEGE OF ENGINEERING AND TECHNOLOGY
VIRUDHUNAGAR

Sm 5

This document contains information about stresses and Mohr's circle analysis:
1. It defines principal stresses and planes, and describes the uses of Mohr's circle in finding normal, resultant, and principal stresses and their planes.
2. Several example problems are presented involving calculating stresses on planes at various angles, determining principal stresses and maximum shear stresses, and drawing and using Mohr's circles to analyze two-dimensional stress systems.
3. Information is also provided about thin cylindrical shells, including the stresses induced in thin-walled cylinders under internal pressure and the assumptions made in their analysis.

FORCE, TYPES, & SYSTEM OF FORCES

The document discusses various types of forces including contact forces, body forces, point forces, distributed forces, frictional forces, wind forces, and cohesive and adhesive forces. It also describes characteristics of forces such as magnitude, direction, and point of application. Additionally, it covers concepts like Newton's third law of motion, systems of forces, resolution of forces, and fundamental principles of mechanics including transmissibility, the parallelogram law of forces, gravitation, and superposition.

Bending stresses

The document discusses bending stresses in beams. It describes how bending stresses are developed in beams to resist bending moments and shearing forces. The theory of pure bending is introduced, where only bending stresses are considered without the effect of shear. Equations for calculating bending stresses are derived based on the beam's moment of inertia, bending moment, and distance from the neutral axis. Several beam cross-section examples are provided to demonstrate how to calculate the maximum bending stress and section modulus.

Problems on simply supported beams (udl , uvl and couple)

1) A simply supported beam is subjected to a uniformly distributed load (UDL) over part of its span and a couple moment at one end.
2) Shear force and bending moment diagrams are drawn by dividing the beam into sections and analyzing each section.
3) The maximum bending moment occurs where the shear force is zero and is calculated to be 3761.59 N-m located at 2.637 m from the left support.

Centroid & Centre of Gravity

The document discusses the differences between centroid and center of gravity. The centroid is defined as a point about which the entire line, area or volume is assumed to be concentrated, and is related to the distribution of length, area and volume. The center of gravity is defined as the point about which the entire weight of an object is assumed to be concentrated, also known as the center of mass, and is related to the distribution of mass. Examples are provided to illustrate the concepts of centroid and center of gravity.

Introduction to Engineering Mechanics

The document provides an overview of applied mechanics, including definitions of mechanics, engineering, applied mechanics, and their various branches and topics. It also covers fundamental concepts such as units, scalars, vectors, and trigonometry functions that are important to mechanics. Examples of static force analysis using vector operations like resolution and resultant are presented.

Engineering Mechanics

In Engineering Mechanics the static problems are classified as two types: Concurrent and Non-Concurrent force systems. The presentation discloses a methodology to solve the problems of Concurrent and Non-Concurrent force systems.

Unit 5 Friction

THANGA KASI RAJAN S
ASSISTANT PROFESSOR
DEPARTMENT OF MECHANICAL ENGINEERING
KAMARAJ COLLEGE OF ENGINEERING AND TECHNOLOGY
VIRUDHUNAGAR

Sm 5

This document contains information about stresses and Mohr's circle analysis:
1. It defines principal stresses and planes, and describes the uses of Mohr's circle in finding normal, resultant, and principal stresses and their planes.
2. Several example problems are presented involving calculating stresses on planes at various angles, determining principal stresses and maximum shear stresses, and drawing and using Mohr's circles to analyze two-dimensional stress systems.
3. Information is also provided about thin cylindrical shells, including the stresses induced in thin-walled cylinders under internal pressure and the assumptions made in their analysis.

FORCE, TYPES, & SYSTEM OF FORCES

The document discusses various types of forces including contact forces, body forces, point forces, distributed forces, frictional forces, wind forces, and cohesive and adhesive forces. It also describes characteristics of forces such as magnitude, direction, and point of application. Additionally, it covers concepts like Newton's third law of motion, systems of forces, resolution of forces, and fundamental principles of mechanics including transmissibility, the parallelogram law of forces, gravitation, and superposition.

Bending stresses

The document discusses bending stresses in beams. It describes how bending stresses are developed in beams to resist bending moments and shearing forces. The theory of pure bending is introduced, where only bending stresses are considered without the effect of shear. Equations for calculating bending stresses are derived based on the beam's moment of inertia, bending moment, and distance from the neutral axis. Several beam cross-section examples are provided to demonstrate how to calculate the maximum bending stress and section modulus.

Problems on simply supported beams (udl , uvl and couple)

1) A simply supported beam is subjected to a uniformly distributed load (UDL) over part of its span and a couple moment at one end.
2) Shear force and bending moment diagrams are drawn by dividing the beam into sections and analyzing each section.
3) The maximum bending moment occurs where the shear force is zero and is calculated to be 3761.59 N-m located at 2.637 m from the left support.

Centroid & Centre of Gravity

The document discusses the differences between centroid and center of gravity. The centroid is defined as a point about which the entire line, area or volume is assumed to be concentrated, and is related to the distribution of length, area and volume. The center of gravity is defined as the point about which the entire weight of an object is assumed to be concentrated, also known as the center of mass, and is related to the distribution of mass. Examples are provided to illustrate the concepts of centroid and center of gravity.

Simple stresses and strains

The document discusses stress and strain in engineering structures. It defines load, stress, strain and different types of each. Stress is the internal resisting force per unit area within a loaded component. Strain is the ratio of dimensional change to original dimension of a loaded body. Loads can be tensile, compressive or shear. Hooke's law states stress is proportional to strain within the elastic limit. The elastic modulus defines this proportionality. A tensile test measures the stress-strain curve, identifying elastic limit and other failure points. Multi-axial stress-strain relationships follow Poisson's ratio definitions.

Unit 5 - deflection of beams and columns

1) The document discusses various methods for calculating beam deflections, including double integration, Macaulay's method, and moment area methods.
2) It also covers columns, struts, and the different types of column structures. The slenderness ratio and effective length are important parameters for columns.
3) Short columns fail due to crushing while long columns fail due to bending or buckling. The crippling or buckling load is also discussed.

Structural Mechanics: Deflections of Beams in Bending

The document discusses the double integration method for calculating deflections in beams. It introduces the concept of using Macaulay's notation to write the bending moment expression in beams with point loads as a single equation using square brackets. This allows integrating the differential equation of the beam twice to obtain an expression for the deflection throughout the beam with just two integration constants, avoiding multiple equations that would otherwise be needed. Macaulay's notation makes the double integration method more efficient for problems involving point loads.

Torsion

The strength of material play and important role in any structure. The effect of Torsion is always considerable.

engineering statics :equilibrium

This document provides an introduction to the concept of equilibrium in statics. It discusses how to isolate a mechanical system and draw a free body diagram showing all external forces acting on it. For equilibrium in two dimensions, the forces must sum to zero in both the x and y directions. In three dimensions, six equations are required - the forces and moments must sum to zero in the x, y, and z directions as well as around each axis. Examples are given of two-force and three-force members in equilibrium. The document also defines statically determinate and indeterminate bodies.

Bending stresses in beams

Bending Stresses are important in the design of beams from strength point of view. The present source gives an idea on theory and problems in bending stresses.

Moment of inertia

This document provides information about moment of inertia including:
- Definitions of terms like center of gravity, radius of gyration, section modulus, and moment of inertia.
- Formulas for calculating moment of inertia of basic geometric sections and symmetrical/unsymmetrical sections about various axes.
- Examples of finding the center of gravity and moment of inertia of different cross-sections like rectangles, circles, T-sections, and L-sections.

Shear stresses on beam (MECHANICS OF SOLIDS)

This document provides information about shear stresses and shear force in structures. It includes:
- Definitions of shear force and shear stress. Shear force is an unbalanced force parallel to a cross-section, and shear stress develops to resist the shear force.
- Explanations of horizontal and vertical shear stresses that develop in beams due to bending moments. Shear stress is highest at the neutral axis and reduces towards the top and bottom of the beam cross-section.
- Derivations of formulas for calculating shear stress across different beam cross-sections. Shear stress is directly proportional to the shear force and beam geometry.
- Examples of calculating maximum and average shear stresses for various cross-sections

temperature stresses in Strength of materials

This document discusses statically indeterminate structures and thermal stresses. It begins by defining statically indeterminate structures as those where the number of unknowns is greater than the number of equilibrium equations, requiring additional equations. It provides examples of compound bars made of two materials, where the deformations are equal and stresses can be calculated. It also discusses temperature stresses that develop when a material is prevented from expanding or contracting freely due to a temperature change. The temperature strain and stress formulas are provided. Several example problems are then solved to calculate stresses, deformations and loads for statically indeterminate structures and those subjected to temperature changes.

Resultant of forces

This document provides an overview of the content covered in the Basic Civil Engineering course. It discusses the following topics:
1. Mechanics of Rigid Bodies and Mechanics of Deformable Bodies, which make up Parts I and II of the course.
2. Concepts in mechanics of solids including resultant and equilibrium of coplanar forces, centroids, moments of inertia, kinetics principles, stresses and strains.
3. Five textbooks recommended as references for the course.
4. Definitions of terms like particle, force, scalar, vector, and rigid body.
5. Methods for resolving forces into components, obtaining the resultant of coplanar forces, and solving mechanics problems

TORSION (MECHANICS OF SOLIDS)

This document discusses torsion in circular shafts. It defines torque as the turning force applied to a shaft multiplied by the diameter. The angle of twist is the angle of rotation at the surface of the shaft under an applied torque. Shear stress is induced in the shaft under pure torsion. The maximum torque a shaft can transmit depends on its diameter and the allowable shear stress. Assumptions in torsion theory and the polar moment of inertia are also defined. Several examples calculating shaft dimensions, torque, power, and angle of twist are provided. Shaft couplings and keys are also discussed.

Principle Of Transmissibility | Mechanical Engineering

A force is an external agent acting on another body. This force may moves or tends to move the body in the direction of its action. The force is a vector quantity since it is represented by its magnitude and direction. The force may be of pulling or pushing type. Copy the link given below and paste it in new browser window to get more information on Principle Of Transmissibility:-
http://www.transtutors.com/homework-help/mechanical-engineering/force-systems-and-analysis/principle-of-transmissibility.aspx

Varignon's theorem

Varignon's principle of moments states that the total moment of the forces acting on a rigid body is equal to the time rate of change of its angular momentum about any point. This principle is useful for analyzing rotational motion and dynamics problems involving torques. It provides a relationship between the net torque on a rigid body and how its angular momentum changes with respect to time.

Centroid and centre of gravity

Ekeeda Provides Online Video Lectures for Civil Engineering Degree Subject Courses for All Engineering Universities. Visit us: https://ekeeda.com/streamdetails/stream/civil-engineering

FLEXURAL STRESSES AND SHEAR STRESSES

Objective of this course is
to make student understand about bending and shear stresses and to sketch shear and flexural distribution.

Shear force and bending moment

The document discusses beams, which are horizontal structural members that support applied loads. It defines applied and reactive forces, and describes different types of supports including roller, hinge, and fixed supports. It then defines and describes different types of beams, including cantilever, simply supported, overhanging, fixed, and continuous beams. It also discusses types of loads, including concentrated and distributed loads, and how beams experience both bending and shear forces from loads.

Equilibrium

This document discusses the principles of equilibrium of forces, including:
- The two force principle and three force principle, which describe how forces must be arranged for an object under equilibrium.
- Analytical and graphical methods for analyzing the equilibrium of coplanar forces.
- Lami's theorem, which states that if three coplanar forces act on a point in equilibrium, each force is proportional to the sine of the angle between the other two forces.
- Examples of solving equilibrium problems and determining reactions at points of contact.

Free body diagram

Free body diagrams show the relative magnitude and direction of all forces acting on an object. They include only physical forces touching the object like gravity, applied forces, friction, and reactions, drawn as arrows from a dot representing the object. To analyze motion, forces are resolved into horizontal and vertical components and Newton's second law is applied to each direction separately. For example, with an applied force at an angle on a block, the horizontal force component gives acceleration along the plane while the vertical forces sum to zero for no jump.

Rigid body equilibrium

This document provides an overview of the key concepts related to equilibrium of rigid bodies, including:
- Developing free-body diagrams to represent the forces acting on a rigid body and identify unknown support reactions.
- Using the equations of equilibrium (sum of forces equals zero in x and y directions, sum of moments equals zero) to solve for unknown forces and support reactions.
- Analyzing two-force and three-force members, as well as statically determinate and indeterminate structures.

Strain energy

The document discusses different types of strain energy stored in materials when subjected to loads. It defines strain energy as the work done or energy stored in a body during elastic deformation. The types of strain energy discussed include: elastic strain energy, strain energy due to gradual, sudden, impact, shock and shear loading. Formulas are provided to calculate strain energy due to these different loadings. Examples of calculating strain energy in axially loaded bars and beams subjected to bending and torsional loads are also presented.

10. kinetics of particles newton s 2nd law

Learn Online Courses of Subject Engineering Mechanics of First Year Engineering. Clear the Concepts of Engineering Mechanics Through Video Lectures and PDF Notes. Visit us: https://ekeeda.com/streamdetails/subject/Engineering-Mechanics

Kinetics of particles newton's 2nd law

Ekeeda Provides Online Video Lectures for Civil Engineering Degree Subject Courses for All Engineering Universities. Visit us: https://ekeeda.com/streamdetails/stream/civil-engineering

Simple stresses and strains

The document discusses stress and strain in engineering structures. It defines load, stress, strain and different types of each. Stress is the internal resisting force per unit area within a loaded component. Strain is the ratio of dimensional change to original dimension of a loaded body. Loads can be tensile, compressive or shear. Hooke's law states stress is proportional to strain within the elastic limit. The elastic modulus defines this proportionality. A tensile test measures the stress-strain curve, identifying elastic limit and other failure points. Multi-axial stress-strain relationships follow Poisson's ratio definitions.

Unit 5 - deflection of beams and columns

1) The document discusses various methods for calculating beam deflections, including double integration, Macaulay's method, and moment area methods.
2) It also covers columns, struts, and the different types of column structures. The slenderness ratio and effective length are important parameters for columns.
3) Short columns fail due to crushing while long columns fail due to bending or buckling. The crippling or buckling load is also discussed.

Structural Mechanics: Deflections of Beams in Bending

The document discusses the double integration method for calculating deflections in beams. It introduces the concept of using Macaulay's notation to write the bending moment expression in beams with point loads as a single equation using square brackets. This allows integrating the differential equation of the beam twice to obtain an expression for the deflection throughout the beam with just two integration constants, avoiding multiple equations that would otherwise be needed. Macaulay's notation makes the double integration method more efficient for problems involving point loads.

Torsion

The strength of material play and important role in any structure. The effect of Torsion is always considerable.

engineering statics :equilibrium

This document provides an introduction to the concept of equilibrium in statics. It discusses how to isolate a mechanical system and draw a free body diagram showing all external forces acting on it. For equilibrium in two dimensions, the forces must sum to zero in both the x and y directions. In three dimensions, six equations are required - the forces and moments must sum to zero in the x, y, and z directions as well as around each axis. Examples are given of two-force and three-force members in equilibrium. The document also defines statically determinate and indeterminate bodies.

Bending stresses in beams

Bending Stresses are important in the design of beams from strength point of view. The present source gives an idea on theory and problems in bending stresses.

Moment of inertia

This document provides information about moment of inertia including:
- Definitions of terms like center of gravity, radius of gyration, section modulus, and moment of inertia.
- Formulas for calculating moment of inertia of basic geometric sections and symmetrical/unsymmetrical sections about various axes.
- Examples of finding the center of gravity and moment of inertia of different cross-sections like rectangles, circles, T-sections, and L-sections.

Shear stresses on beam (MECHANICS OF SOLIDS)

This document provides information about shear stresses and shear force in structures. It includes:
- Definitions of shear force and shear stress. Shear force is an unbalanced force parallel to a cross-section, and shear stress develops to resist the shear force.
- Explanations of horizontal and vertical shear stresses that develop in beams due to bending moments. Shear stress is highest at the neutral axis and reduces towards the top and bottom of the beam cross-section.
- Derivations of formulas for calculating shear stress across different beam cross-sections. Shear stress is directly proportional to the shear force and beam geometry.
- Examples of calculating maximum and average shear stresses for various cross-sections

temperature stresses in Strength of materials

This document discusses statically indeterminate structures and thermal stresses. It begins by defining statically indeterminate structures as those where the number of unknowns is greater than the number of equilibrium equations, requiring additional equations. It provides examples of compound bars made of two materials, where the deformations are equal and stresses can be calculated. It also discusses temperature stresses that develop when a material is prevented from expanding or contracting freely due to a temperature change. The temperature strain and stress formulas are provided. Several example problems are then solved to calculate stresses, deformations and loads for statically indeterminate structures and those subjected to temperature changes.

Resultant of forces

This document provides an overview of the content covered in the Basic Civil Engineering course. It discusses the following topics:
1. Mechanics of Rigid Bodies and Mechanics of Deformable Bodies, which make up Parts I and II of the course.
2. Concepts in mechanics of solids including resultant and equilibrium of coplanar forces, centroids, moments of inertia, kinetics principles, stresses and strains.
3. Five textbooks recommended as references for the course.
4. Definitions of terms like particle, force, scalar, vector, and rigid body.
5. Methods for resolving forces into components, obtaining the resultant of coplanar forces, and solving mechanics problems

TORSION (MECHANICS OF SOLIDS)

This document discusses torsion in circular shafts. It defines torque as the turning force applied to a shaft multiplied by the diameter. The angle of twist is the angle of rotation at the surface of the shaft under an applied torque. Shear stress is induced in the shaft under pure torsion. The maximum torque a shaft can transmit depends on its diameter and the allowable shear stress. Assumptions in torsion theory and the polar moment of inertia are also defined. Several examples calculating shaft dimensions, torque, power, and angle of twist are provided. Shaft couplings and keys are also discussed.

Principle Of Transmissibility | Mechanical Engineering

A force is an external agent acting on another body. This force may moves or tends to move the body in the direction of its action. The force is a vector quantity since it is represented by its magnitude and direction. The force may be of pulling or pushing type. Copy the link given below and paste it in new browser window to get more information on Principle Of Transmissibility:-
http://www.transtutors.com/homework-help/mechanical-engineering/force-systems-and-analysis/principle-of-transmissibility.aspx

Varignon's theorem

Varignon's principle of moments states that the total moment of the forces acting on a rigid body is equal to the time rate of change of its angular momentum about any point. This principle is useful for analyzing rotational motion and dynamics problems involving torques. It provides a relationship between the net torque on a rigid body and how its angular momentum changes with respect to time.

Centroid and centre of gravity

Ekeeda Provides Online Video Lectures for Civil Engineering Degree Subject Courses for All Engineering Universities. Visit us: https://ekeeda.com/streamdetails/stream/civil-engineering

FLEXURAL STRESSES AND SHEAR STRESSES

Objective of this course is
to make student understand about bending and shear stresses and to sketch shear and flexural distribution.

Shear force and bending moment

The document discusses beams, which are horizontal structural members that support applied loads. It defines applied and reactive forces, and describes different types of supports including roller, hinge, and fixed supports. It then defines and describes different types of beams, including cantilever, simply supported, overhanging, fixed, and continuous beams. It also discusses types of loads, including concentrated and distributed loads, and how beams experience both bending and shear forces from loads.

Equilibrium

This document discusses the principles of equilibrium of forces, including:
- The two force principle and three force principle, which describe how forces must be arranged for an object under equilibrium.
- Analytical and graphical methods for analyzing the equilibrium of coplanar forces.
- Lami's theorem, which states that if three coplanar forces act on a point in equilibrium, each force is proportional to the sine of the angle between the other two forces.
- Examples of solving equilibrium problems and determining reactions at points of contact.

Free body diagram

Free body diagrams show the relative magnitude and direction of all forces acting on an object. They include only physical forces touching the object like gravity, applied forces, friction, and reactions, drawn as arrows from a dot representing the object. To analyze motion, forces are resolved into horizontal and vertical components and Newton's second law is applied to each direction separately. For example, with an applied force at an angle on a block, the horizontal force component gives acceleration along the plane while the vertical forces sum to zero for no jump.

Rigid body equilibrium

This document provides an overview of the key concepts related to equilibrium of rigid bodies, including:
- Developing free-body diagrams to represent the forces acting on a rigid body and identify unknown support reactions.
- Using the equations of equilibrium (sum of forces equals zero in x and y directions, sum of moments equals zero) to solve for unknown forces and support reactions.
- Analyzing two-force and three-force members, as well as statically determinate and indeterminate structures.

Strain energy

The document discusses different types of strain energy stored in materials when subjected to loads. It defines strain energy as the work done or energy stored in a body during elastic deformation. The types of strain energy discussed include: elastic strain energy, strain energy due to gradual, sudden, impact, shock and shear loading. Formulas are provided to calculate strain energy due to these different loadings. Examples of calculating strain energy in axially loaded bars and beams subjected to bending and torsional loads are also presented.

Simple stresses and strains

Simple stresses and strains

Unit 5 - deflection of beams and columns

Unit 5 - deflection of beams and columns

Structural Mechanics: Deflections of Beams in Bending

Structural Mechanics: Deflections of Beams in Bending

Torsion

Torsion

engineering statics :equilibrium

engineering statics :equilibrium

Bending stresses in beams

Bending stresses in beams

Moment of inertia

Moment of inertia

Shear stresses on beam (MECHANICS OF SOLIDS)

Shear stresses on beam (MECHANICS OF SOLIDS)

temperature stresses in Strength of materials

temperature stresses in Strength of materials

Resultant of forces

Resultant of forces

TORSION (MECHANICS OF SOLIDS)

TORSION (MECHANICS OF SOLIDS)

Principle Of Transmissibility | Mechanical Engineering

Principle Of Transmissibility | Mechanical Engineering

Varignon's theorem

Varignon's theorem

Centroid and centre of gravity

Centroid and centre of gravity

FLEXURAL STRESSES AND SHEAR STRESSES

FLEXURAL STRESSES AND SHEAR STRESSES

Shear force and bending moment

Shear force and bending moment

Equilibrium

Equilibrium

Free body diagram

Free body diagram

Rigid body equilibrium

Rigid body equilibrium

Strain energy

Strain energy

10. kinetics of particles newton s 2nd law

Learn Online Courses of Subject Engineering Mechanics of First Year Engineering. Clear the Concepts of Engineering Mechanics Through Video Lectures and PDF Notes. Visit us: https://ekeeda.com/streamdetails/subject/Engineering-Mechanics

Kinetics of particles newton's 2nd lawEkeeda Provides Online Video Lectures for Civil Engineering Degree Subject Courses for All Engineering Universities. Visit us: https://ekeeda.com/streamdetails/stream/civil-engineering

Work power energy

1) This document discusses work, power, and energy. It defines work as the product of force and displacement, and defines the units of work as newton-meters (Nm) or joules (J).
2) Power is defined as the rate of doing work, or the ratio of work to time. The units of power are watts (W).
3) Energy exists in various forms including mechanical, thermal, chemical, light, sound, nuclear, and electrical. Mechanical energy includes potential energy, which depends on position or height, and kinetic energy, which depends on motion or velocity.
4) The work-energy principle states that the work done on an object equals its change in

The kinds of force ( macam macam gaya )

The document describes different types of forces:
1) Weight is the force exerted on a mass by gravity. It is calculated as mass times gravitational acceleration.
2) Normal force is the contact force acting perpendicular to a surface. It is equal to weight when an object is at rest on a surface.
3) String tension is the pulling force transmitted through a string. It is equal to weight when a hanging object is at static equilibrium.
4) Friction opposes the direction of motion and depends on the normal force and coefficient of friction. Free body diagrams can be used to analyze forces on objects. Several example problems are then provided to calculate acceleration, distance, tension and normal contact forces in different physical situations

Unit 1 questions and solutions

This document contains a unit exam review with short answer and problem questions covering concepts in kinematics and dynamics including:
1) Sketching motion from a stroboscopic photograph and describing inertial and non-inertial frames of reference.
2) Calculating velocities and accelerations using kinematic equations for objects in motion under constant acceleration.
3) Solving dynamics problems using concepts like free-body diagrams, Newton's laws, universal gravitation, and friction to analyze forces and accelerations in physical systems.

Mechanics 9

This document contains 10 questions related to work, energy and power concepts in mechanics. Question 1 asks about calculating the work done to bring a moving train to rest. Question 2 asks about calculating the impulse and average force exerted on a ball hit by a bat. Question 3 asks about calculating the compression of a spring when a moving train strikes a bumper and stops.

Ch04 ssm

The document provides conceptual problems and their solutions related to Newton's Laws of motion.
1) A problem asks how to determine if a limousine is changing speed or direction using a small object on a string. The solution is that if the string remains vertical, the reference frame is inertial.
2) Another problem asks for two situations where apparent weight in an elevator is greater than true weight. The solution states this occurs when the elevator accelerates upward, either slowing down or speeding up.
3) A third problem involves forces between blocks and identifies which constitute Newton's third law pairs. The normal forces between blocks and between a block and table are identified as third law pairs.

unit 4 final.pdf

This document contains 56 multiple choice questions related to mechanics. The questions cover topics like kinematics, dynamics, work, energy, power, impulse and momentum. Sample questions include calculating the velocity, work done, kinetic energy or impulse in situations like objects moving under gravity or acceleration, collisions between objects, or objects moving on inclined planes. The full range of mechanics concepts are represented in the questions, which would be useful for reviewing or testing knowledge of basic mechanics principles and calculations.

Ch05 ssm

- A block rests on an inclined plane making an angle of 30° with the horizontal.
- Static friction acts on the block to prevent it from sliding down the plane.
- The coefficient of static friction (μs) between the block and plane can be expressed as μs = tanθ.
- Since the plane makes an angle of 30° with the horizontal, the coefficient of static friction is equal to tan30° = 0.577.

Physics (Mechanics) Revision Examination

This document contains a monthly physics examination with 10 multiple-choice questions covering topics in mechanics, including:
1) Finding the acceleration and tension in a system with two masses connected by a cord over a pulley.
2) Calculating the velocity of a baseball thrown from a moving train.
3) Determining the reading of a spring scale in an accelerating elevator.
4) Using the system approach to find the acceleration and tension in a system with two masses connected by a string over a pulley.
5) Calculating the launch speed of a grasshopper that reaches a maximum height at a 45 degree angle.

Work, Power and Energy

Work refers to a physical task accomplished by exerting force over a distance. For work to occur, there must be: a force acting on an object, displacement of the object in the direction of the force, and a component of the force in the direction of motion. Work (W) is calculated as the product of the force (F) and displacement (d): W = Fd. Common units of work include joules (N∙m), ergs (dyne∙cm), and foot-pounds. Several examples are provided to demonstrate calculating work done by various forces like gravity, friction, and springs.

Chapter5

This document summarizes key concepts in work, energy, and power:
1) It defines different forms of energy (kinetic, gravitational, thermal, electromagnetic, nuclear) and explains that energy is conserved.
2) It discusses work as a scalar quantity that relates force to change in energy and can be positive or negative depending on direction.
3) It provides examples of calculating kinetic energy, potential energy, and applying the law of conservation of energy to solve problems involving work.

Physics Sample Paper Class 11 - Studymate

1. The fundamental forces of nature are arranged in increasing strength as: gravitational force < weak nuclear forces < electromagnetic forces < strong nuclear forces.
2. The coefficient of friction does not change with weight of the body, as it depends on the nature of the surfaces, not the weight.
3. The gravitational field inside a solid sphere varies directly as the distance (x) from the centre if x < R, and inversely as x if x > R, where R is the radius of the sphere.

BB 2.0 - NLM.pdf

1. Newton's Laws of Motion describe the relationship between an object and the forces acting upon it. The three laws are: Law 1 explains inertia, Law 2 states that force equals mass times acceleration (F=ma), and Law 3 is the law of action-reaction.
2. There are four fundamental forces in nature: strong nuclear force, electromagnetic force, weak nuclear force, and gravitational force.
3. Different types of forces include normal reaction forces, contact forces, tension forces, and pseudo forces which appear to act in accelerated frames of reference.

MELS 123 ELECTRONIC LOGIC FOR SCIENCE LECTURE NOTES PPT OMOSAE

This document provides information about Newton's laws of motion. It defines Newton's first law of motion as stating that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. Examples are provided to illustrate the first law. Newton's second law is defined as relating the acceleration of an object to the net force acting on it. Equations for momentum, force, and acceleration are also presented. Newton's laws of motion are described as accurately modeling motion except when dealing with very high speeds near the speed of light or very small objects like atoms, which require relativistic or quantum mechanics, respectively.

Leyes de newton 1

This document summarizes key concepts from Newton's laws of motion:
1. It defines an inertial reference frame as one in which Newton's laws are obeyed, and a non-inertial frame as one that is accelerating relative to an inertial frame.
2. It states that if an object has an acceleration in a reference frame, that frame is non-inertial and an inertial frame seen from it would have the opposite acceleration.
3. It explains that if an object has zero net force in an inertial frame, the individual forces acting on it can cancel each other out, not necessarily be zero.

test show

1. The document discusses advanced applications of Newton's laws, including inclined plane problems, string and pulley problems, uniform circular motion, and orbits.
2. For inclined plane problems, it is important to resolve forces parallel and perpendicular to the plane and draw a diagram. Two example problems are given involving a curling stone on an icy road.
3. String and pulley problems involve drawing free body diagrams for each mass and determining the direction of motion and net force statements. Two example problems are given, one involving two masses connected by a string over a pulley on a table.

Chapter13 rigid body rotation

1) Moment of inertia is the rotational analog of mass and describes an object's resistance to changes in its rotation. It depends on the object's mass and how it is distributed.
2) Newton's second law of rotation states that the torque applied to an object produces angular acceleration proportional to the torque and inversely proportional to the object's moment of inertia.
3) The work-energy theorem states that the work done on an object equals its change in kinetic energy. This applies to both linear and rotational motion, with rotational kinetic energy depending on the moment of inertia and angular velocity.

Laws of motion

This document contains 11 physics problems related to work, power, and energy. It includes multiple choice and numerical problems involving concepts like force, friction, inclined planes, pulleys, rotational motion, and more. The problems progress from simpler concepts involving calculations of force and acceleration to more complex problems involving multiple masses on inclined planes or rotating disks with friction.

Critical thinking physics problems

Critical Thinking Physics Problem
Beberapa contoh Problem fisika berkaitan dengan berpikir kritis yang diperlukan pada kurikulum 2013.
1. Physics Toolkit
2. Representing Motion
3. Accelerated Motion
4. Forces in One Dimension
5. Forces in Two Dimensions
6. Motion in Two Dimensions
7.Gravitation
8. Rotational Motion

10. kinetics of particles newton s 2nd law

10. kinetics of particles newton s 2nd law

Kinetics of particles newton's 2nd law

Kinetics of particles newton's 2nd law

Work power energy

Work power energy

The kinds of force ( macam macam gaya )

The kinds of force ( macam macam gaya )

Unit 1 questions and solutions

Unit 1 questions and solutions

Mechanics 9

Mechanics 9

Ch04 ssm

Ch04 ssm

unit 4 final.pdf

unit 4 final.pdf

Ch05 ssm

Ch05 ssm

Physics (Mechanics) Revision Examination

Physics (Mechanics) Revision Examination

Work, Power and Energy

Work, Power and Energy

Chapter5

Chapter5

Physics Sample Paper Class 11 - Studymate

Physics Sample Paper Class 11 - Studymate

BB 2.0 - NLM.pdf

BB 2.0 - NLM.pdf

MELS 123 ELECTRONIC LOGIC FOR SCIENCE LECTURE NOTES PPT OMOSAE

MELS 123 ELECTRONIC LOGIC FOR SCIENCE LECTURE NOTES PPT OMOSAE

Leyes de newton 1

Leyes de newton 1

test show

test show

Chapter13 rigid body rotation

Chapter13 rigid body rotation

Laws of motion

Laws of motion

Critical thinking physics problems

Critical thinking physics problems

Transportation engineering

This document provides an overview of transportation engineering and related topics through a presentation. It begins with an introduction to various modes of transportation including roads, bridges, railways, airports, docks and harbors. It then provides a question bank with sample questions on these topics from previous years. The document concludes by providing detailed answers to some of the sample questions, covering areas like classifications of roads and transportation, structures of roads, and short notes on specific road types.

Chapter wise question papers_bce

This document contains a question bank for the Basic Civil Engineering subject divided into 9 units. Each unit contains 6 questions related to topics within that unit. The questions range from 3-10 marks and cover topics such as sub-branches of civil engineering, surveying, remote sensing, dams, roads, building construction principles, materials, and steel structures. This question bank can be used to prepare for exams on basic civil engineering concepts and their applications.

Design of staircase_practical_example

The document provides design details for staircases on three floors of a building, including dimensions, load calculations, and reinforcement details. Load calculations are performed to determine bending moments and shear forces. Reinforcement area, bar diameter, and spacing are calculated for the waist slabs of each staircase to resist the determined bending moment and satisfy code requirements for minimum steel and shear capacity.

Presentation "Use of coupler Splices for Reinforcement"

This document presents a summary of a presentation on the use of coupler splices for reinforcement. The presentation includes an introduction to coupler splices, a literature review on the topic, details on the experimental procedure used to test coupler splices, a cost analysis comparing coupler splices to lap splices, and conclusions. The experimental results show that coupler splices performed better than lap splices and welded splices in tensile loading tests. A cost analysis also determined that coupler splices provide significant cost savings over lap splices by reducing the amount of reinforcement required. The conclusion is that coupler splices are an effective and economic replacement for lap splices in reinforcement.

Guidelines_for_building_design

This document provides guidelines for the design of reinforced concrete structures in buildings according to the limit state method. It outlines the general process for building design which includes studying architectural drawings and field data, preparing reinforced concrete layouts, analyzing structural frames, and designing columns, beams, slabs, and footings. Computer programs like STAAD and in-house software are used to aid in analysis and design. Designers are advised to be familiar with relevant Indian code provisions and follow the guidelines to independently complete reinforced concrete designs for buildings.

Strength of materials_I

This document provides an introduction to strength of materials, including concepts of stress, strain, Hooke's law, stress-strain relationships, elastic constants, and factors of safety. It defines key terms like stress, strain, elastic limit, modulus of elasticity, and ductile and brittle material behavior. Examples of stress and strain calculations are provided for basic structural elements like rods, bars, and composite structures. The document also covers compound bars, principle of superposition, and effects of temperature changes.

Presentation_on_Cellwise_Braced_frames

This presentation discusses the seismic response of cellwise concentrically braced frames. It introduces cellwise braced frames as a structural system that provides lateral stability through bracing elements arranged in cells within each bay. The document describes a study that analyzed 5 bay, 12 story reinforced concrete frames with different bracing configurations, including single-cell, two-cell, and three-cell arrangements. The study found that single-cell A-braced frames provided the highest material cost savings of up to 9.59% compared to bare frames. Two-cell and three-cell configurations further improved cost savings but required additional bracing. Overall, the study shows that optimally arranged cellwise braced frames produce a stiff, strong and econom

Study of MORT_&_H

The document provides an overview of the Ministry of Road Transport and Highways (MoRTH) in India. It discusses the ministry's role in formulating policies and regulations related to road transport. It outlines the ministry's history and organizational structure. It also summarizes some of the key specifications issued by MoRTH related to road and bridge construction, including specifications for earthworks, pavement layers, drainage, and other aspects of road projects. The document thus provides a high-level introduction to MoRTH and the specifications it issues for road development and transport in India.

List of various_IRCs_&_sps

The Indian Road Congress (IRC) was established in 1934 on the recommendations of the Jayakar Committee to oversee road development in India. It is the apex body for highway engineers and professionals. IRC has over 16,700 members from both public and private sector organizations involved in roads. It aims to promote standard specifications and best practices for road and bridge construction through various technical committees. It has published over 100 codes of practice and guidelines and oversees research activities through its Highway Research Board.

Analysis of multi storey building frames subjected to gravity and seismic loa...

This document summarizes a study on the seismic response of reinforced concrete frames with varying numbers of bays and storeys. Three frame configurations - 3 bay, 5 bay, and 7 bay with 9 stories each - were modeled and analyzed under gravity and seismic loads. Both prismatic frames and frames with non-prismatic elements like stepped beams and haunches at beam-column joints were considered. The effects of variables like haunch size, beam inertia, and live load patterns on internal forces and storey drift were examined. Key results showed that non-prismatic elements can reduce bending moments and axial forces compared to conventional prismatic frames.

Seismic response of _reinforced_concrete_concentrically_a_braced_frames

This document discusses the seismic response of reinforced concrete concentrically braced frames. It analyzes numerically various bracing patterns for a 5-bay 12-story building, including bare frames, fully braced frames, and partially braced frames with bracing applied at the bay-level or level-wise. Optimum bracing patterns are identified that reduce internal forces in columns and provide economic savings compared to bare frames or fully braced frames. Graphs show variations in axial, shear and bending forces for different bracing patterns, identifying patterns that fall within acceptable ranges. Savings of up to 7.87% are achieved with the optimum bracing patterns.

Use of mechanical_splices_for_reinforcing_steel

The document discusses the use of mechanical splices (couplers) as an alternative to traditional lap splicing for reinforcing steel. It provides details on different types of couplers, including threaded couplers. Experimental testing showed that couplers achieved similar or higher yield and ultimate stresses as compared to normal and welded reinforcing bars. While ductility was slightly reduced, factors like epoxy injection and staggered splicing can improve ductility. A cost analysis found that couplers provide significant cost savings over lap splices due to reduced steel requirements. Therefore, the study concludes that mechanical splices are an effective and economic replacement for lap splices.

Guide lines bridge_design

This document provides guidelines for bridge design in the Public Works Department. It introduces the contents and chapters, which cover aspects of bridge design, components, innovative structures, preparation of bridge projects, and other topics. The guidelines are intended to help engineers understand the department's practices for bridge design. The second edition was revised with new chapters and information to aid both new and experienced engineers.

Dissertation report

This document presents the layout and introduction for a dissertation report on analyzing multi-storey partially braced frames subjected to seismic and gravity loads using V-braces. The layout includes sections on introduction, literature review, structural analysis methods, earthquake analysis methods, theoretical formulation, results and discussion, conclusion, and references. The introduction discusses the importance of tall structures and braced frames, noting advantages of braced frames include increased strength, stiffness, and reduced member sizes.

Seismic response of cellwise braced reinforced concrete frames

The document analyzes the seismic response of reinforced concrete frames with different patterns of reinforced concrete bracing. Numerical models of 5-bay, 12-story reinforced concrete frames were analyzed with different bracing configurations including bare frames, fully braced, partially braced, outrigger braced, and cellwise braced. The responses, including internal forces, displacements, and member sizes, were compared for each configuration. Optimal baywise and levelwise locations for bracing were identified based on producing smaller internal forces within acceptable ranges. Cellwise bracing was explored as a configuration that combines advantages of other patterns while allowing for clear openings.

Water Management

This document provides information about water management topics including sources of water, dams, canals, and irrigation methods. It discusses surface and underground water sources like ponds, lakes, rivers, wells, and tube wells. It describes different types of dams such as earth dams, rock-fill dams, gravity dams, and arch dams. Canals are described as the trenches that distribute water from reservoirs for irrigation. Various irrigation methods are outlined including flow irrigation, flood irrigation, storage irrigation, drip irrigation, and spray irrigation. Rainwater harvesting is introduced as a way to conserve water by collecting and filtering rainwater runoff and roof runoff to recharge underground water sources.

Chaper wise qpapers_bce

1. The document contains a question bank for the Basic Civil Engineering section covering topics like introduction to civil engineering, surveying, linear measurements, bearing, and leveling.
2. It includes 36 questions on surveying topics like chain surveying, compass surveying, and leveling with multiple parts and variations. Calculations and sketches are required to solve some questions.
3. The leveling questions provide staff readings and require entering data in a standard leveling table, calculating reduced levels using different methods, and applying arithmetic checks.

Basic Loads Cases

The document defines various types of loads that should be considered in structural analysis, including dead loads, live loads, wind loads, and earthquake loads. It provides details on how to apply these loads in both positive and negative directions of the X and Z axes. It also lists load combinations that should be analyzed according to Indian standards, including combinations for limit states of collapse and serviceability. The load combinations include factors for dead, live, wind, and earthquake loads.

Earthquake analysis by Response Spectrum Method

This document provides steps for performing an earthquake analysis using the response spectrum method in STAAD v8i. Key steps include:
1. Generating primary load cases for the X and Z directions using the specified code spectrum
2. Modeling dead and live loads
3. Obtaining support reactions for a load combination of dead + 0.25 live loads
4. Exporting the support reaction values to Excel tables
5. Importing the Excel tables back into STAAD as joint loads to apply the earthquake loads
6. Analyzing the structure with fixed supports instead of pin supports
The overall process applies earthquake loads to the structure using the response spectrum method and obtains the response of the structure under seismic loading

Earthquake analysis by psudeo static method

This document provides instructions for performing an earthquake analysis on a structure using the pseudo-static method in STAAD v8i. The steps include:
1. Defining the seismic parameters by adding a seismic definition and inputting values for the zone, response factor, importance factor, etc. based on IS 1893:2002.
2. Creating earthquake load cases in the X and Z directions and combining them with dead and live loads.
3. Assigning pin supports and obtaining support reactions for analysis.
4. Importing the support reaction values into Excel to create weight tables that are then input back into STAAD.
5. Removing the pin supports and assigning fixed supports at the foundation before running the full analysis

Transportation engineering

Transportation engineering

Chapter wise question papers_bce

Chapter wise question papers_bce

Design of staircase_practical_example

Design of staircase_practical_example

Presentation "Use of coupler Splices for Reinforcement"

Presentation "Use of coupler Splices for Reinforcement"

Guidelines_for_building_design

Guidelines_for_building_design

Strength of materials_I

Strength of materials_I

Presentation_on_Cellwise_Braced_frames

Presentation_on_Cellwise_Braced_frames

Study of MORT_&_H

Study of MORT_&_H

List of various_IRCs_&_sps

List of various_IRCs_&_sps

Analysis of multi storey building frames subjected to gravity and seismic loa...

Analysis of multi storey building frames subjected to gravity and seismic loa...

Seismic response of _reinforced_concrete_concentrically_a_braced_frames

Seismic response of _reinforced_concrete_concentrically_a_braced_frames

Use of mechanical_splices_for_reinforcing_steel

Use of mechanical_splices_for_reinforcing_steel

Guide lines bridge_design

Guide lines bridge_design

Dissertation report

Dissertation report

Seismic response of cellwise braced reinforced concrete frames

Seismic response of cellwise braced reinforced concrete frames

Water Management

Water Management

Chaper wise qpapers_bce

Chaper wise qpapers_bce

Basic Loads Cases

Basic Loads Cases

Earthquake analysis by Response Spectrum Method

Earthquake analysis by Response Spectrum Method

Earthquake analysis by psudeo static method

Earthquake analysis by psudeo static method

Prediction of Electrical Energy Efficiency Using Information on Consumer's Ac...

Energy efficiency has been important since the latter part of the last century. The main object of this survey is to determine the energy efficiency knowledge among consumers. Two separate districts in Bangladesh are selected to conduct the survey on households and showrooms about the energy and seller also. The survey uses the data to find some regression equations from which it is easy to predict energy efficiency knowledge. The data is analyzed and calculated based on five important criteria. The initial target was to find some factors that help predict a person's energy efficiency knowledge. From the survey, it is found that the energy efficiency awareness among the people of our country is very low. Relationships between household energy use behaviors are estimated using a unique dataset of about 40 households and 20 showrooms in Bangladesh's Chapainawabganj and Bagerhat districts. Knowledge of energy consumption and energy efficiency technology options is found to be associated with household use of energy conservation practices. Household characteristics also influence household energy use behavior. Younger household cohorts are more likely to adopt energy-efficient technologies and energy conservation practices and place primary importance on energy saving for environmental reasons. Education also influences attitudes toward energy conservation in Bangladesh. Low-education households indicate they primarily save electricity for the environment while high-education households indicate they are motivated by environmental concerns.

AI for Legal Research with applications, tools

AI applications in legal research include rapid document analysis, case law review, and statute interpretation. AI-powered tools can sift through vast legal databases to find relevant precedents and citations, enhancing research accuracy and speed. They assist in legal writing by drafting and proofreading documents. Predictive analytics help foresee case outcomes based on historical data, aiding in strategic decision-making. AI also automates routine tasks like contract review and due diligence, freeing up lawyers to focus on complex legal issues. These applications make legal research more efficient, cost-effective, and accessible.

一比一原版(uofo毕业证书)美国俄勒冈大学毕业证如何办理

原版一模一样【微信：741003700 】【(uofo毕业证书)美国俄勒冈大学毕业证成绩单】【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
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三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
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留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
办理(uofo毕业证书)美国俄勒冈大学毕业证【微信：741003700 】外观非常简单，由纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
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校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
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Applications of artificial Intelligence in Mechanical Engineering.pdf

Historically, mechanical engineering has relied heavily on human expertise and empirical methods to solve complex problems. With the introduction of computer-aided design (CAD) and finite element analysis (FEA), the field took its first steps towards digitization. These tools allowed engineers to simulate and analyze mechanical systems with greater accuracy and efficiency. However, the sheer volume of data generated by modern engineering systems and the increasing complexity of these systems have necessitated more advanced analytical tools, paving the way for AI.
AI offers the capability to process vast amounts of data, identify patterns, and make predictions with a level of speed and accuracy unattainable by traditional methods. This has profound implications for mechanical engineering, enabling more efficient design processes, predictive maintenance strategies, and optimized manufacturing operations. AI-driven tools can learn from historical data, adapt to new information, and continuously improve their performance, making them invaluable in tackling the multifaceted challenges of modern mechanical engineering.

Null Bangalore | Pentesters Approach to AWS IAM

#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)

Software Engineering and Project Management - Introduction, Modeling Concepts...

Introduction, Modeling Concepts and Class Modeling: What is Object orientation? What is OO development? OO Themes; Evidence for usefulness of OO development; OO modeling history. Modeling
as Design technique: Modeling, abstraction, The Three models. Class Modeling: Object and Class Concept, Link and associations concepts, Generalization and Inheritance, A sample class model, Navigation of class models, and UML diagrams
Building the Analysis Models: Requirement Analysis, Analysis Model Approaches, Data modeling Concepts, Object Oriented Analysis, Scenario-Based Modeling, Flow-Oriented Modeling, class Based Modeling, Creating a Behavioral Model.

Engineering Standards Wiring methods.pdf

Engineering Standards Wiring methods.pdf

Mechanical Engineering on AAI Summer Training Report-003.pdf

Mechanical Engineering PROJECT REPORT ON SUMMER VOCATIONAL TRAINING
AT MBB AIRPORT

CompEx~Manual~1210 (2).pdf COMPEX GAS AND VAPOURS

GAS AND VAPOURS COMPEX 01-04

Gas agency management system project report.pdf

The project entitled "Gas Agency" is done to make the manual process easier by making it a computerized system for billing and maintaining stock. The Gas Agencies get the order request through phone calls or by personal from their customers and deliver the gas cylinders to their address based on their demand and previous delivery date. This process is made computerized and the customer's name, address and stock details are stored in a database. Based on this the billing for a customer is made simple and easier, since a customer order for gas can be accepted only after completing a certain period from the previous delivery. This can be calculated and billed easily through this. There are two types of delivery like domestic purpose use delivery and commercial purpose use delivery. The bill rate and capacity differs for both. This can be easily maintained and charged accordingly.

学校原版美国波士顿大学毕业证学历学位证书原版一模一样

原版一模一样【微信：741003700 】【美国波士顿大学毕业证学历学位证书】【微信：741003700 】学位证，留信认证（真实可查，永久存档）offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原海外各大学 Bachelor Diploma degree, Master Degree Diploma
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才

132/33KV substation case study Presentation

132/33Kv substation case study ppt

ITSM Integration with MuleSoft.pptx

ITSM Integration with mulesoft

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- 1. D’Alembert’s Principle Page 1 CHAPTER NO. 7 D’Alembert’s Principle Q.1 What do you understand by Dynamic Equilibrium? Ans: 1) A body move with certain acceleration due to the effect of applied force according to the Newton’s second law. So this body cannot be in equilibrium because of the resultant applied force. Then the equations of static equilibrium are not applicable here. 2) If now an imaginary force F = ma is applied to the body opposite to the direction of acceleration ‘a’, then the body is said to be in dynamic equilibrium. Then all equations of static equilibrium are applicable to dynamic equilibrium. Q.2 State and explain D’Alembert’s Principle of dynamic equilibrium. Ans: 1) Due to application of force or force system, a body has a motion of translation and it is not in equilibrium. 2) D’Alembert’s suggested to write Newton’s second law Σ F = ma in the form Σ F – ma = 0 This is the equation of the dynamic equilibrium. Where, Σ F = resultant of external forces and (-ma) = D’Alembert’s inertia force.
- 2. D’Alembert’s Principle Page 2 Therefore, the motion of acceleration is brought to dynamic equilibrium by adding reversed effective force (-ma) on the body. Statement: D’Alembert’s Principle states that, “the impressed forces acting on the body are in dynamic equilibrium with inertia forces of the body under motion”. 3) In short, D’Alembert’s Principle states that, the resultant of external force Σ F and the inertia force (-ma) is always zero. This is the condition of dynamic equilibrium. ------------------------------------------------------------------------------------------------------------ Type I) Analysis of the motion of two bodies connected by a string: (egs. on Pulley) Q1) Two weights W1 and W2 are connected by a light and inextensible string, passing over a smooth pulley. If W1 > W2. Prove that the acceleration ‘a’ of the system and tension in string are given by, a = g (W1− W2) W1+ W2 and T = 2W1 W2 W1+ W2 Q2) Two bodies of weight 50 N and 30 N are connected to the two ends of light inextensible string. The string is passing over a smooth pulley. Determine: a) The acceleration of the system and b) Tension in the string (g = 9.81 m/s2 ) Q3) Two bodies of weight 300 N and 450 N are connected to two ends of light inextensible string. The string is passing over a smooth pulley. Determine: (Assignment Problem) a) The acceleration of the system and b) Tension in the string (g = 9.81 m/s2 ) Q4) Two bodies of different weights are connected to two ends of light inextensible string. The string is passing over a smooth pulley. If the acceleration of the system is 3 m/s2 and bigger weight is 60N, determine: (Assignment Problem) a) The smaller weight and b) Tension in the string (g = 9.81 m/s2 ) Q5) Determine the tension in the string and acceleration of blocks A and B weighing 1500 N and 500 N connected by an inextensible string as shown in Figure (a) below. Assume pulleys as frictionless and weightless.
- 3. D’Alembert’s Principle Page 3 Q6) Determine the tension in the string and acceleration of blocks A and B weighing 150 N and 50 N connected by an inextensible string as shown in Figure (b) below. Assume pulleys as frictionless and weightless. Fig. a Fig. b Q7) A system of weights connected by strings passes over a pulley A and B as shown in Figure below. Find the acceleration of the three weights, assuming weightless string and ideal conditions for the pulley. Fig (a) Fig (b)
- 4. D’Alembert’s Principle Page 4 Q8) Solve same problem for system shown in fig (b) above. Type II) Motion on an inclined smooth surface: Q1) A body of weight 200 N is initially stationary on a 450 inclined plane. What distance along plane must the body slide, before it reaches a speed of 2 m/s (𝜇 = 0.1) Q2) A motorist travelling at a speed of 70 kmph suddenly applies brakes and halts after skidding 50 m. Determine: a) The time required to stop the car and b) The co-efficient of friction between the tyres and the roads. (Dec 2005) (10 Mks) Q3) Two rough planes inclined at 300 and 600 to horizontal are placed back to back as shown in Fig below. The blocks of weights 50 N and 100 N are placed on the faces and are connected by a string running parallel to planes and passing over a frictionless pulley. If μ = 1 3 , find the resulting acceleration and tension in the string. Figure (a) Q4) Two weights 800 N and 200 N are connected by a thread and they move along a rough horizontal plane under the action of a force 400 N applied to the 800 N weight as shown in Fig. below. μ = 0.3. Using D’Alembert’s Principle determine the acceleration of the weight and tension in the thread.
- 5. D’Alembert’s Principle Page 5 Q5) A body weighing 1200 N rests on a rough plane inclined at 120 to the horizontal. It is pulled up the plane by means of a light flexible rope running parallel to the plane and passing over a light frictionless pulley at the top of the plane as shown in Figure in Figure below. The portion of the rope beyond the pulley hangs verticlley down and carries a weight of 800 N at its end. μ = 0.2. Determine: A) Tension in the rope B) Acceleration with which the body moves up the plane and C) The distance moved by the body in 3 sec after starting from rest. Q6) Two bodies of weights 40 N and 15 N are connected to the two ends of a light inextensible string which passes over a smooth pulley. The weight 40 N is placed on a smooth inclined plane while the weight 15 N is hanging free in air. If the angle of the plane is 150 determine a) Acceleration of the system and b) Tension in the string ( May 2002 8 Mks)
- 6. D’Alembert’s Principle Page 6 Q7) A body weighing 300 N on a horizontal table 1.2 m from the edge is attached by a string to a 30 N weight which hangs over the edge. The co-efficient of friction between the 300 N body and table is 1 16 . Find the acceleration of the system and the time required for the 300 N body to fall over the edge. (May 2007 12 Mks) Q8) A block weighing 1 kN on a horizontal plane as showing in Figure below. Find the magnitude of the force P required to give the block an acceleration of 3 m/s2 to the right. Take μ = 0.25.
- 7. D’Alembert’s Principle Page 7 Type III) Analysis of Lift Motion: Q1) A man weighing ‘W’ N exerted a lift which moves with an acceleration of ‘a’ m/s2 . Find the force exerted by the man on the floor of lift when a) Lift is moving downward b) Lift is moving upward Q2) A elevator cage of a mine shaft weighing 8 kN when empty, is lifted or lowered by means of a wire rope. Once a man weighing 600 N, entered it and lowered with uniform acceleration such that, when a distance of 187.5 m was covered, the velocity of the cage was 25 m/s. determine the tension in the rope and the force exerted by the man on the floor of the cage. Q3) An elevator of weight 4.5 kN starts to move upwards with a constant acceleration and acquires a velocity of 1.8 m/s after travelling a distance of 2.4 m. Find the pull in the cable during accelerated motion. The elevator moves further with constant deceleration from a velocity of 1.8 m/s and comes to rest in 2 sec. Calculate the pressure exerted by a man weighing 680 N on the floor of the elevator during this motion. (Dec 2008 13 mks) Q4) A 750 N crate rests on a 500 N cart. The co-efficient of friction between the crate and the cart is 0.3 and between cart and the road is 0.2. if the cart is to be pulled by a force P (as shown in Figure below) such that the crate does not slip, determine a) The maximum allowable magnitude of P and b) The corresponding acceleration of the cart.
- 8. D’Alembert’s Principle Page 8 Q5) A force of 200 N acts on a body having mass of 300 kg for 90 sec. If the initial velocity of the body is 20 m/s, determine the final velocity of the body a) When the force acts in the direction of motion, and b) When the force acts in the opposite direction of the motion Q6) A man weighing 637 N dives into a swimming pool from a tower of height 19.6 m. He was found to go down in water by 2 m and then started rising. Find the average resistance of water. Neglect the resistance of air. Q7) A man mass 60 kg jumps into a swimming pool from a tower of height 6 m. He was found to go down in water by 0.9 m and then started rising. Find the average resistance of water. Neglect the resistance of air. (8 Mks)