Free fall PHYSICS IGCSE FORM 3 MRSM
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This document discusses free-fall motion and describes an experiment to measure the acceleration due to gravity using a photogate and falling object. The experiment involves dropping an object through a photogate multiple times to collect displacement and time data. Students will then analyze the velocity-time graph to determine the acceleration for each trial and calculate the percent error compared to the accepted value of 9.8 m/s^2. The goal is to perform analysis of free-fall motion and enable students to solve problems involving falling objects.
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3) Explanations of vector concepts like addition of vectors graphically and using trigonometry, projectile motion, and perpendicular independence of horizontal and vertical components of motion.
Lecture Ch 02
Chapter 2 introduces the concepts of kinematics including reference frames, displacement, velocity, acceleration, and motion with constant acceleration. Equations are derived that relate displacement, velocity, acceleration, and time for objects undergoing constant acceleration. Near the Earth's surface, the acceleration due to gravity is approximately 9.80 m/s2, so these equations can be applied to analyze falling or projected objects using this value of acceleration.
Motion day3
This document summarizes key concepts about motion, including:
1. Rates of change like speed and velocity are defined as the amount of change per unit time. Speed is the rate of distance traveled, while velocity also includes direction of movement.
2. Acceleration is the rate of change of velocity over time. Gravity causes everything on Earth to accelerate at approximately 9.81 m/s2 downward.
3. Graphing distance versus time allows calculation of speed from the slope. The slope of a velocity-time graph gives instantaneous velocity, while the slope of a position graph gives average velocity over time.
1.3 velocity
1) Acceleration is a measure of how quickly velocity changes. It can represent a change in speed, direction, or both.
2) The slope of a velocity-time graph represents acceleration. The area under the graph represents displacement.
3) For objects experiencing uniform acceleration, displacement can be calculated using: s = ut + (1/2)at^2
Motion Intro Notes
1) The document provides information about motion, including definitions of rates, speed, velocity, acceleration, and how to graphically represent these concepts using distance vs time and velocity vs time graphs.
2) Key concepts covered include the difference between speed and velocity, how to calculate average speed and velocity, and the relationship between displacement, velocity, and acceleration.
3) Examples are provided for calculating speed, velocity, acceleration and distance traveled given rates of change over time for various motion scenarios.
Chapter 2
This document provides a summary of key concepts from a physics textbook chapter on one-dimensional motion, including:
1. Displacement, velocity, and acceleration are defined and equations for calculating average velocity, displacement, and final velocity given initial velocity, acceleration, and time are presented.
2. Free fall under the influence of gravity is discussed and equations for calculating time and final velocity of falling objects are given.
3. Graphs of position, velocity, and acceleration over time are used to describe and analyze examples of one-dimensional motion including constant velocity, acceleration, deceleration, and free fall.
Speed+velocity+acceleration
The document provides learning objectives and concepts related to kinematics including displacement, speed, velocity, acceleration, and equations of motion. The key points are:
1. It defines important kinematics terms like displacement, speed, velocity, acceleration and describes how to represent motion using words, diagrams, graphs and equations.
2. Graphs of distance-time and velocity-time are introduced and it is explained that their slopes provide speed and acceleration respectively.
3. Equations of motion that apply to objects with constant acceleration in a straight line are given along with examples of how to use them to solve problems.
4. Free fall and projectile motion are described and representations using velocity-time graphs are shown
Uniformly Accelerated Motion and Free Fall Motion_NOTES.pptx
An object is in Free-Fall when the only force acting on the object is the Force of Gravity, however, we haven’t defined
Force much less the Force of Gravity, so, until we have defined the Force of Gravity, we have a slightly different definition.
An object is in Free-Fall when:
- It is not touching any other objects♥
- There is no air resistance (it’s in the vacuum we can breathe)
We are now in the vacuum that we can breathe and will be for the remainder of this class, unless otherwise stated.
Common Misconception: For some reason people think the word “fall” in Free-Fall means that the object must be going
down. This is absolutely, not true. An object thrown upward is in Free-Fall from the moment it leaves the persons hand
until it touches the ground.
Ch 2 One Dimensional Kinematics
This document provides an overview of Newtonian mechanics and one-dimensional kinematics. It defines key terms like position, velocity, acceleration, displacement, distance, speed, average speed, average velocity, instantaneous velocity, constant acceleration, and the kinematic equations. It includes examples of how to use the kinematic equations to solve problems involving constant acceleration. There are also sample problems assessing understanding of concepts like displacement vs distance, velocity, acceleration, and interpreting graphs of kinematic variables.
2.1 linear motion
Kinematics is the study of linear motion. Key terms include displacement, velocity, and acceleration. Displacement is the distance from a starting point, velocity is speed in a direction, and acceleration is the rate of change of velocity. Average values are calculated by total distance or displacement over total time. Instantaneous values give a clearer picture of motion at a moment in time and can be derived from graphs of displacement, velocity, and acceleration over time. When acceleration is constant, five equations can be used to describe motion with constant acceleration.
Motion in one dimension
The document discusses key concepts in kinematics including:
- Kinematics deals with concepts needed to describe motion without considering forces.
- Speed is the total distance traveled divided by time taken. Velocity is displacement divided by time and includes direction.
- Acceleration measures how velocity changes with respect to time. Equations of motion relate displacement, velocity, acceleration and time for constant acceleration.
Chapter 2 ppt
The document discusses motion in one dimension, including displacement, velocity, acceleration, and free fall. It defines key terms like displacement as a change in position, average velocity as displacement over time, and acceleration. Examples show how to calculate displacement, velocity, and acceleration using equations. Free fall acceleration is constant at about 10 m/s^2 downward. Graphs of position, velocity, and acceleration over time are used to represent motion.
Projectile motion ch 5 reg
This document discusses two-dimensional motion and vectors. It defines scalars and vectors, and explains how to add vectors graphically and using trigonometric functions. Projectile motion is described as having independent vertical and horizontal components due to gravity. Examples show how to use trigonometric functions to find the magnitude and direction of resulting vectors, resolve vectors into horizontal and vertical components, and solve projectile motion problems by treating vertical and horizontal motions separately.
CP - Graphical Analysis
This document contains notes from a physics class discussing kinematics graphs. It includes examples of how to interpret distance vs. time, velocity vs. time, and acceleration vs. time graphs. It also provides practice problems asking students to draw and analyze different graph types based on given motion information.
Motion in one direction
This document introduces key concepts of 1-D kinematics including:
1) Distance refers to the total path traveled while displacement refers to the change in position from initial to final point.
2) Kinematics describes motion without considering causes, and 1-D kinematics refers to motion in a straight line.
3) Graphs can distinguish between distance and displacement, with displacement being the straight line segment between initial and final points.
4) Key concepts such as average speed, average velocity, acceleration, and free fall are introduced along with relevant equations and demonstrations.
Motion in one direction
This document provides an introduction to 1-dimensional kinematics, including distance, displacement, average speed, average velocity, acceleration, and position-time and velocity-time graphs. It defines key terms like distance, displacement, speed, velocity, acceleration, and discusses the relationships between these quantities. Examples and practice problems are provided to illustrate concepts like the difference between distance and displacement, calculating average speed and velocity, determining acceleration from graphs, and using kinematic equations.
AP Physics - Chapter 2 Powerpoint
This document provides an overview of key concepts in kinematics including:
1) Kinematics deals with concepts of motion without considering forces, while dynamics considers the effects of forces on motion.
2) Displacement, speed, velocity, acceleration, and equations of motion for constant acceleration are introduced.
3) Applications include analyzing the motion of falling bodies and interpreting position-time and velocity-time graphs.
Velocity, acceleration, free fall ch4 reg
1. Motion can be described as a change in an object's position over time. Examples include a train moving along tracks or an object falling due to gravity.
2. Displacement describes the direction and size of an object's movement from its starting point. It is a vector quantity while distance traveled is a scalar.
3. Velocity is displacement divided by time and describes both speed and direction of motion. Acceleration is the rate of change of velocity with respect to time. During free fall, acceleration due to gravity is constant.
LT1: KInematics For 1D with solutions
The document contains a physics test on kinematics in one dimension, including conceptual questions, problem solving questions, and an answer key. The conceptual questions cover topics like displacement, velocity, acceleration, and motion under gravity. The problem solving questions involve calculating values like speed, displacement, time and height using kinematic equations.
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Uniformly Accelerated Motion and Free Fall Motion_NOTES.pptx
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Disclaimer: No one is perfect, so please mind that there might be mistakes and typos.
dtubbenhauer@gmail.com
Corrected slides: dtubbenhauer.com/talks.html
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among stars.
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the influence of the starburst environment on the formation of stars and planets, and on the evolution of both low and high mass stars.
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s
−1
. The X-ray sources exhibit a highly concentrated spatial distribution,
with 1075 sources located within the central 1 arcmin. We have successfully detected X-ray emissions from 126 out of the 166 known
massive stars of the cluster, and we have collected over 71 000 photons from the magnetar CXO J164710.20-455217.
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Free fall PHYSICS IGCSE FORM 3 MRSM
- 2. What happens ? 1) When you drop a rock from a cliff? Ans: It falls downward. 2) When a Skydiver jumps from a plane? Ans: He/She will fall to the ground. 3) To a skydiver’s speed as he is falling? Ans: It will reach a terminal velocity due to air resistance.
- 3. Free-Fall Motion An object moving under the influence of gravity only!!
- 4. Our Goal For Today 1) Perform an experiment to analyze a free-falling object. 2) Determine the value of g. 3) Enable you to solve problems dealing with free-falling objects.
- 5. Properties of Motion 1) Displacement 2) Velocity 3) Acceleration
- 6. Displacement Displacement: the distance and direction travelled. Alex Rodriguez hits a home run. What is his total displacement around the bases? Ans: 0!!!
- 7. Velocity Velocity: A Home-Run takes about 3.5 sec to clear Shea’s center wall (420 ft.) What is the velocity of the ball? Ans: - For every second, the ball travels 120 ft. → = ∆ ∆ = −− −− v t s timeinchange ntdisplacemeinchange sft ss ftft velocity /120 05.3 0420 = − − =
- 8. Acceleration Average Acceleration: A car does 0-85 m/s in 6.4 seconds. What the average acceleration for this interval of time? Ans: *For every second, the velocity increases by 13.28 → = ∆ ∆ = −− −− a t v timeinchange velocityinchange 2 /28.13 04.6 /0/85 sm ss smsm a = − − = →
- 9. Vector & Scalar Quantities A vector quantity has size and direction EX: Displacement, Velocity, Acceleration A scalar quantity has only size and no direction EX: Distance,Speed
- 11. The Velocity vs. Time Graph Pictorial representation of velocity vs. time graph. As time increases, the velocity increases in this graph. The Slope of this graph gives us the acceleration of this object.
- 12. Do You Understand It? Can you Describe the motion of this object? It’s Acceleration? Ans : Zero Acceleration, Constant Velocity
- 13. Experimental Error What if our values do not match g? Remember question regarding terminal velocity 2 /81.9 smg =
- 14. Expermiental Error We must calculate the percent error for each of our trials: 100% × − = True alExperimentTrue err
- 15. Our Experiment Drop the picket-fence through the Vernier Photogate Collect Data with Vernier Software Analyze Velocity vs. Time Graph
- 16. Directions Drop the picket fence through the photogate 5 times. (5 trials) Write down the acceleration values for each trial. Write down the experimental error for each trial.