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16 February, 08:19

What is the efficiency of a tractor that has a work output of 300j and a work input of 400j

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  1. 16 February, 11:50
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    Answer;

    = 75 %

    Explanation;

    To measure efficiency of a machine, compare the work output to work input.

    Efficiency = Work output / work output * 100 %

    = 300/400 * 100

    = 75 %
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