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24 July, 07:47

when moving a couch you exert a force of 400 N and push it 4.0 how much wokr have you done on the couch

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  1. 24 July, 10:57
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    W = 1600 J

    Explanation:

    Given in the question,

    force exerted = 400N

    distance it covered = 4m

    The general formula for work and for determining the amount of work that is done on an object is:

    W = F * D * cos (Θ)

    The SI unit for work is the joule (J)

    Plug values in the formula

    W = 400 (4) cos (0)

    W = 400 (4) (1)

    W = 1600 J
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