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Force & motion
Question | Answer |
---|---|
friction | a force between two surfaces rubbing against each other |
gravitation | a force that pulls objects towards each other |
force | any push or pull on a object |
speed | the distance an object travels in a given amount of time |
acceleration | any change in an objects speed or direction when an object speeds up,slows down,stops,or changes direction |
position | an objects place or 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 an object is moving |
motion | a change in the position of a object |
inertia | the tendency of a motion to stay in motion |