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2
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the rate at which work is done
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3
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force x distance moved in direction of force
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6
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the number of times that the machine increases an input force
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7
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A unit of work equal to one newton-meter
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8
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a combination of two or more simple machines that operate together
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9
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A device that makes work easier by changing the size or direction of a force
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10
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A flat surface set at an angle or an incline with no moving parts that is able to lift objects by pushing or pulling the load
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11
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A measure of power equal to one joule of work per second.
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12
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a simple machine consisting of two circular objects of different sizes; the wheel is the larger of the two circular objects
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13
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the work done on a machine
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14
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A type of lever that is a wheel with a groove in its rim, which is used to change the direction or multiply a force exerted by a rope or cable
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15
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A simple machine that is an inclined plane wrapped around a central cylinder to form a spiral
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