Chapter 10 Vocabulary Words
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Created by:
OliviaMoon on March 14, 2012
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9 terms
Terms | Definitions |
|---|---|
 Motion | the state in which one object's distance from another is changing |
| Displacement | distance and direction of an object's change in position from the starting point |
| Speed | the distance an object travels per unit of time |
| Velocity | the speed of an object in a particular direction |
| Acceleration | the rate at which velocity changes over time; an object accelerates if its speed, direction, or both change |
| Force | a push or pull exerted on an object. |
| Friction | the force that opposes the motion of one surface as it moves across another surface |
| Static Friction | the force that resists the initiation of sliding motion between two surfaces that are in contact and at rest |
| Kinetic Friction | the force that opposes the movement of two surfaces that are in contact and are sliding over each other |
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