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2
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A type of pulley that increases the size and effort force.
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3
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The number of classes of a lever.
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5
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A combination of two or more simple machines.
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6
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Some of the work put into a machine is used to overcome this.
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7
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A slanted surface, or ramp.
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9
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Another name for a pulley system.
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10
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A type of pulley that changes the direction of the effort force.
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15
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A source of energy for modern machines. ( Not fossil fuels)
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16
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The work done by a machine.
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17
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Another word for output force.
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1
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The work done on a machine.
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2
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The number of times a machine multiplies the effort, or input, force.
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4
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A slanted surface.
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8
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A bar that is free to turn around a fixed point, or fulcrum.
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11
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A rope wrapped around a wheel that can change either the direction or size of a force.
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12
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An inclined plane wrapped around a cylinder.
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13
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The efficiency of a machine is always less than this.
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14
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The part of a lever that is not the bar.
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16
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Two inclined planes back to back.
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18
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Another word for input force.
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