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Force and Motion
Question | Answer |
---|---|
friction | a force between 2 surfaces rubbing against each other |
gravitation | a force that pulls objects toward each other |
force | any push or pull on an object |
speed | the distance an object travels in a given amount of time |
acceleration | any change in an object's speed or direction. when an object speeds up, slow down, stops, or changes direction |
position | an objects location |
lubricant | a substance, such as oil, that coats surfaces that rub against each other. it reduces the amount of friction |
velocity | the speed and direction of a moving object is moving |
motion | a change in the position of an object |
inertia | the tendency of a motionless object to remain motionless or the tendency for a object in motion to stay in motion |