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9 July, 22:01

Four people are needed to lift a TV set with a single fixed pulley. How many people will be needed to lift the same TV set with a 2 fixed, 2 moveable pulley system? (Ignore friction.)

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  1. 10 July, 01:30
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    If they need 4 people to a pulley then they would need a 8 to two pulleys

    here is the equation

    4people*2/pulley*2

    8people/2pulley
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