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Force and 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 an object. |
speed | the distance an object travels in a give amount of time. |
acceleration | any change in an object's 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 an direction an object is moving. |
motion | a change in the position of an object. |
inertia | the tendency of motionless object to remain motionless or the tendency for an object in motion to stay in motion. |