2. Objectives
To provide an introduction of:
※ Fundamental concepts,
※ General principles,
※ Analysis methods,
※ Future Studies
in Engineering Mechanics.
5. Statics – Equilibrium Analysis of
particles and bodies
Dynamics – Accelerated motion of
particles and bodies
Kinematics and Kinetics
Mechanics of Materials…
Theory of Vibration…
1. Engineering Mechanics
6. 2. Fundamentals Concepts
Basic Quantities
Length, Mass, Time, Force
Units of Measurement
m, kg, s, N… (SI, Int. System of Units)
- Dimensional Homogeneity
- Significant Figures
7. 2. Fundamentals Concepts
Idealizations
Particles
– Consider mass but neglect size
Rigid Body
– Neglect material properties
Concentrated Force
Supports and Reactions
8. 3. General Principles
- Newton’s Laws of Motion
First Law, Second Law, Third Law
Law of Gravitational Attraction
- D’Alembert Principle : F+(-ma)=0
- Impulse and Momentum
- Work and Energy
- Principle of Virtual Work (Equilibrium)
9. 4. Static Analysis
Force and Equilibrium
Force System Resultants
Structural Analysis
Internal forces
Friction
Centroid and Moments of Inertia
Virtual Work and Stability
10. 5. Dynamic Analysis
Kinematics of a Particle
Kinetics: Force and Acceleration
Work and Energy
Impulse and Momentum (Impact)
Planar Kinematics and Kinetics
3-D Kinematics and Kinetics
Vibrations