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6 January, 12:16

A man pushes a lawn mower with a force of 25 newtons. The lawn mower has a mass of 17 kilograms and the handle makes an angle of 60 degrees with the horizontal. How much work is done if the lawn mower is pushed a total of 500 meters

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  1. 6 January, 12:38
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    6250 J

    Explanation:

    Work is the distance times the component of the force along that distance.

    The horizontal component of the force is:

    25 N * cos (60°) = 12.5 N

    So the work done is:

    W = (500 m) (12.5 N)

    W = 6250 J
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