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Chap 4 force and mot
Force and motion
| Question | Answer |
|---|---|
| Position | The location of an object |
| Motion | The change of a position of an object |
| Speed | The change of position during a unit of time |
| Velocity | The speed and direction of an object |
| Acceleration | A change of speed or direction of an objects motion |
| Force | A push or pull of any kind |
| Inertia | The property of matter that keeps a moving object moving in a straight line |
| Gravity | The force of attraction between Earth and other objects |
| Gravitation | A force that acts between all objects in the universe and causes them to attract one another |
| Weight | A measure of gravitational force on an object |
| Friction | A force that resists motion, relative to each other, of objects that are touching |