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Motion and Force A. Motion 1. Motion is a change in position 2. Reference points are necessary
B. Speed 1. The rate of change in position 2. Types of speed: a. Instantaneous b. Constant c. Average 3. Speed = Distance / Time
5. Displacement vs. distancea. Distance – how far something moves b. Displacement – the distance and direction of an object’s change in position from its starting point
C. Velocity 1. Speed in a defined direction 2. Velocity can change even if speed is constant as long as direction changes
D. Acceleration 1. The rate of change of velocity 2. a = (vf – vi) / t or a = v / t 3. Units are m/s/s 4. +a = speeding up; -a = slowing down
Example: constant speed & acceleration
A graph of the instantaneous velocity of an object over a specified period of time Time is independent (x-axis) Velocity is dependent (y-axis) Remember,
Acceleration Acceleration Velocity-time graph Questions.
Motion, Acceleration, and Forces (chapter 3)
Objectives: 1.Be able to distinguish between distance and displacement 2.Explain the difference between speed and velocity 3.Be able to interpret motion.
Table of Contents 2 Chapter 2 Motion.
Physical Science Section 2.1
Kinematics Demo – Ultrasonic locator Graph representation.
Sec 3.7: Rates of Change in the Natural and Social Sciences
Uniform Motion. 1) Uniform (rectilinear) motion a) Constant Speed b) straight line c) same direction 2) Speed a) Distance covered in a period of time.
Is it in motion? Look at the coke zero can sitting on my desk. You and your table needs to answer the following. 1. Is the can in motion relative to you.
“In science, there is only physics; all the rest is stamp collecting.” -Ernest Rutherford 1.
2 Motion in One Dimension Displacement, velocity, speed Acceleration Motion with Constant Acceleration Integration Hk: 13, 27, 51, 59, 69, 81, 83, 103.
Acceleration & Speed How fast does it go?. Definition of Motion Event that involves a change in the position or location of something.
Displacement vs Time, Velocity vs Time, and Acceleration vs Time Graphs.
The Language of Motion Position – Velocity – Acceleration.
Graphing Motion, Speed and Velocity. Graphs of Motion A Distance vs. time graph that is a straight line always means the object moves the same.
Which line represents the greater speed? Graphing motion The greater the speed, the steeper the slope.
Chapter 2 Linear Motion. The Language of Physics.
STARTER During a road trip, in 6 hours you travel 300 miles. What is your average velocity? Average Velocity = distance travelled/time taken = 300 miles/6.
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