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Definition
| the action that results when a force causes an object to move in the direction of the force |
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Term
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Definition
| the unit used to express work and energy |
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Definition
| the rate at which work is done |
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Definition
| the unit used to express power |
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Term
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Definition
| a device that helps make work easier by changing the size or direction (or both) of a force |
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Definition
| the work done by a machine |
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Term
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Definition
| the work done by a machine |
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Definition
| a number that tells how many times a machine multiplies force |
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Definition
| a comparison - expressed as a precentage - of a machine's work output with the work input |
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Term
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Definition
| a simple machine consisting of a bar that pivots at a fixed point |
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Term
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Definition
| a simple machine that is a straight, slanted surface |
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Term
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Definition
| a simple machine that is a double inclined plane that moves |
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Definition
| a simple machine that is an inclined plane wraped in a spiral |
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Term
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Definition
| a simple machine consisting of 2 circular objects of different sizes |
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Term
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Definition
| a simple machine consisting of a groved wheel that holds a rope or cable |
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Term
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Definition
| a machine that is made of 2 or more simple machines |
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