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10 Cards in this Set
- Front
- Back
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force |
a push or pull on an object
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motion
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movement
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friction
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a force that works against motion
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gravity
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a force that pulls objects toward one another
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work
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happens when a force moves an object over a distance
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inertia
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the tendency of an object to resist a change in its motion; moving keeps moving; at rest remains at rest
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displacement
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happens when one object pushes away or takes the place of another object
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magnetism
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a force that pulls magnetic objects
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energy
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the ability to do work
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simple machine |
an object used to make work easier; tools – hammer, pulley, screw driver |
