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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 multiples of ten and on established measures of mass, length,and time |
| speed | the distance an object travels per unit of time |
| average speed | the overall rate of speed at which an 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 to the horizontal change. |
| acceleration | the rate at which velocity changes |
| Distance | the length of the path between two points |