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Thread: How much force is required to lift the piano?

  1. #1
    Level 7 - I know you and your Friends wwang's Avatar
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    How much force is required to lift the piano?

    In raising a 5000 N piano with a pulley system, the workers note that, for every 2m of rope pulled down, the piano rises 0.2m.

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  3. #2
    Level 8 - Do you know all my Friends? active's Avatar
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    Use Conservation of work-energy
    Force*(distance)=constant

    5000*.2=F(2)

    F=500 N

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