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8 October, 07:58

a machine is used to lift crates of oranges has an efficiency of 65%. if the machine provides 1300 newtons through a distance of 50 meters, what is the work output?

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  1. 8 October, 08:52
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    Given data

    efficiency (η) = 65 %

    = 0.65

    Machine provides (Work done by the machine) = 1300 * 50

    = 65000 J

    efficiency (η) = work done by the machine : work supplied to the machine

    0.65 = 65000 : Input work

    Input work = 100000 J

    = 100 KJ
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