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Force and Motion
4-22-14
| Term | Definition |
|---|---|
| force | A push or pull. |
| mass | The amount of matter in an object or substance. |
| gravity | The force that pulls objects toward each other. |
| speed | The distance an object moves per unit of time, such as miles per hour. |
| position | A certain place, described in comparison to another place. |
| motion | A change in the position of an object. |
| acceleration | A change in an object's speed or direction. |
| weight | A measure of the pull of gravity on an object. |