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Forces and motion
| Term | Definition |
|---|---|
| reference | is the starting point you choose to describe the location, or position, of an object. |
| position | is an object's distance and direction from a reference point. |
| motion | is the process of changing position. |
| displacement | is the difference between the initial or starting |
| speed | is a measure of the distance an object travels in a given amount of time |
| velocity | the speed of something in a given direction |
| vector | a quantity having direction as well as magnitude |
| inertia | Refers to the characteristic of an object that resists changes in its state of motion. |