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Motion
| Question | Answer |
|---|---|
| motion | The state in which one objects distance from another is changing |
| reference point | A place or object used for comparison to determine if an object is in motion |
| international System of Units | A system of measurement based on multiple of ten and on established measures of mass, length, and time |
| distance | The length of the path between two points |
| speed | The distance an object travels per unit of time |
| average speed | The overall rate of speed at which and object moves; calculated by dividing the total distance an object travels by the total time |
| instantaneous speed | The speed of an object at one instant of time |
| velocity | Speed in a given direction |
| slope | The steepness of a graph line; the ratio of the vertical change (the rise) to the horizontal change (the run) |
| acceleration | The rate at which velocity changes |