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21 August, 00:56

A crane is used to lift an object. The crane applies a force of 400 to lift the object a distance of 25 meters in 20 seconds. Calculate the work in J performed by the crane to lift the object

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  1. 21 August, 03:50
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    400*25

    W = 10000 J

    Explanation:

    I believe time is irrelevant in work although it is important in the formula for power.
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