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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 |