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Force and Motion
Question | Answer |
---|---|
friction | A force between two surfaces rubbing against each other. |
gravitation | A force that pulls an object 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 an object's speed or direction. When an object speeds up, slows down, stops, or changes direction. |
position | An object's 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 an object. |
inertia | The tendency of a motionless object to remain motionless or the tendency for an object in motion to stay in motion. |