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Motion
| Question | Answer |
|---|---|
| motion | an object's change in position |
| speed | the distance traveled divided by time |
| velocity | the speed of an object in a particular direction |
| acceleration | the rate of change in velocity over time |
| force | a push or a pull |
| net force | the combination of all forces acting on an object |
| newton | the unit of measurement for force |
| balanced force | forces are equal - no movement |
| unbalanced force | forces are unequal-- causes motion |
| friction | a force that opposes motion |
| gravity | force of attraction between two objects |
| weight | the measure of gravitational force on an object |
| mass | the measure of the amount of matter in an object |