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How Machines do Work (What is a machine? (Input and Output Forces (Input…
How Machines do Work
What is a machine?
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Changing force
If a machine allows you to use less input force to do the same amount of work, you must apply that over a greater distance
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Mechanical advantage
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Changing direction
If only the direction changes, the input force were be the same as the output force (MA is 1)
Efficiency of Machines
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Real and Ideal Machines
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If you measure a machines input force and output force, it will always be less then 100%
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