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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.
Physics: Engineering Mechanics I Chapters 1, 2, 3 1.
Speed and Acceleration
Physical Science Section 2.1
Kinematics Demo – Ultrasonic locator Graph representation.
Sec 3.7: Rates of Change in the Natural and Social Sciences
More Practice: Distance, Speed, and Unit Conversion.
WHAT IS SPEED? Speed is how fast an object is moving relative to another object. A frame of reference is necessary to calculate speed. Speed depends on.
Acceleration. Changing Motion Objects with changing velocities cover different distances in equal time intervals.
GRAPHICAL ANALYSIS OF MOTION
Acceleration Chapter 2 Section 2.
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.
Science Starter! Complete the worksheet “Science Starter!” (on teacher’s desk).
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.
Scalar (Dot) Product. Scalar Product by Components.
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