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Unit 3 L1
Motion
| Term | Definition |
|---|---|
| position | the location of an object |
| motion | a change in an object's position over time |
| frame of reference | a group of objects from which a position or a motion is measured |
| speed | how fast an object's position changes with time at any given moment |
| velocity | the speed and the direction of a moving objects |
| acceleration | a change in velocity with respect to time |
| momentum | the mass of an object multiplied by its velocity |