Using a pulley system, a crew does 7,500 J of work to load a box that requires 4,500 J of work. What is the efficiency of the pulley system?

Question

Using a pulley system, a crew does 7,500 J of work to load a box that requires 4,500 J of work. What is the efficiency of the pulley system?

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Dâu 4 years 2021-07-24T04:13:09+00:00 1 Answers 65 views 0

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  1. kimcuc
    0
    2021-07-24T04:14:36+00:00
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    Answer:

    3,000

    Step-by-step explanation:

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