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Module 5 Lesson 1
7th - force and motion
| Term | Definition |
|---|---|
| force | an action that changes or maintains the motion of a body or object; a push or pull |
| motion | the change in position of an object with time |
| reference point | a place or object used for comparison to determine f something is in motion |
| friction | the resistance of motion when one object rubs against another |
| gravitational force | the force of attraction between two objects |
| magnetic force | a consequence of the electromagnetic force and is caused by the motion of charges |
| mass | the amount of matter an object contains |
| speed | the total distance covered by the total amount of time it takes |
| velocity | the rate of change in displacement of an object with respect to time |