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14 Cards in this Set
- Front
- Back
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Efficiency
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Work output/work input X 100%
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Compound Machine
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A mechanical watch is an example of this.
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Output Distance
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One way to determine this is to divide output force by
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Joule
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This is the SI Unit of work
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Input arm
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On a lever, it is the distance between the fulcrum and the input force.
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Wedge
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The IMA of this machine increases as its thickness decreases relative to its length
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Input Force
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This is exerted on a jack handle to lift a car
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Horsepower
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This unit equals about 746 joules
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Output Arm
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This is the distance between the output force and the fulcrum
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Watt
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This is the SI Unit of power is used to describe light bulbs
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Inclined Plane
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The IMA of this machine is the distance along its surface divided by the change in height
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Machine
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A device that change the size of the force required to do work.
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Power
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The quantity is equal to work/time
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Input Distance
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Distance through which the input force acts in a machine.
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