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10 Cards in this Set
- Front
- Back
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a push or a pull |
force |
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the force of attraction that exists between any pair of objects |
gravity |
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the force that occurs when one object pushes against another |
contact force |
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the force that resists motion |
friction |
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Why would you weigh less on the moon than on the earth? |
because the moon, being smaller than the earth, has a weaker force of gravity |
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Why does an elephant weigh more than a mouse? |
because the earth's gravity pulls harder on objects with more mass |
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Which force keeps you from floating into space? |
gravity |
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Why can you not detect the force of attraction between your foot and the leg of your chair? |
because the force between them is too weak |
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What kind of force do you use when you beat a drum? |
contact force |
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What kind of force do you use when you brake a bicycle? |
friction |
