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13 Cards in this Set
- Front
- Back
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Energy
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the capacity to do work
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kinetic energy
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physicists call the energy of motion
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potential energy
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stored energy
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position
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a certain place
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motion
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any change of position
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frame of reference
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everything in your surroundings that can be used to indicate that motion has occurred
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relative motion
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motion that is described based on a frame of reference
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speed
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a measure of an object's change in position during a unit of time
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force
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a push or pull
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acceleration
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any change in the speed or the direction of an object's motion
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gravity
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a force that pulls all objects toward each other
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weight
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a measure of the force of gravity on an object
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friction
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a force that keeps objects from sliding past each other easily
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