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motion
chapter 5
| Term | Definition |
|---|---|
| Motion | an objects change in position relative to a reference point |
| speed | the distance traveled divided by the time interval during during which the motion occured |
| force | push or a pull exerted on an object in order to change the motion of the object |
| newton | the measure of force |
| net force | the combination of all of the forces acting on an object |
| friction | a force that opposes motion between two surfaces |
| gravity | a force of attraction between objects |
| weight | a measure of the gravitational force exerted on an object |
| mass | a measure of the amount of matter in a object |
| velocity | the speed of an object in a particular direction |
| acceleration | the rate at which velocity changes overtime |