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force and motion

QuestionAnswer
friction a force betwwen two surfaces rubbing against each other.
gravitiation a force that pulls objects towards 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 objects speed or direction when an object speeds up slows down srops or change direction
lubicant a substance such as oil that coals 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 postion of an object
interfia the ledgendcy of a motionless object to remin motionless or the ledgency for an object in motion to stay in motion
Created by: 041401
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