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11-03-2021
Physics

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A lever was used to life heavy rock. The input force was 150 N and the output force was 500 N. What was the mechanical advantage of the pulley?

A lever was used to life heavy rock The input force was 150 N and the output force was 500 N What was the mechanical advantage of the pulley class=

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11-03-2021

MA = fo / fi = 500 N / 150 N = 3.3. So C.

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