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force and motion
Question | Answer |
---|---|
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 |