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Energy & Motion
| Term | Definition |
|---|---|
| motion | the state in which one object’s distance from another is changing |
| reference point | a place or object used for comparison to describe the position or motion of a person or object |
| distance | the length of a path between two points |
| displacement | the length and direction of a straight a line between starting and ending points |
| vector | a measurable quantity that consist of both a magnitude and a direction |