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IPC Motion Unit
| Term | Definition |
|---|---|
| motion | an object changes position over a period of time |
| speed | the distance an object moves per period of time |
| position | the location of an object at any given point in time |
| distance | measurement of how far an object moves in total |
| displacement | straight line measurement between an object's initial and final position |
| constant speed | an object's speed is not changing |
| acceleration | a change in speed and/or direction of an object's motion (change in velocity) |
| velocity | an object's speed and direction |
| average speed | total distance travelled divided by total time |
| instantaneous speed | speed at a specific moment in time |