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17 July, 07:01

A 50 newton force is required to push a 10 kg box 30 meters across the floor. The box is then lifted up 6 meters and placed on a shelf. How much total work was done?

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  1. 17 July, 08:10
    0
    2088 J

    Explanation:

    Work = net force * distance

    When the box is being pushed across the floor, the force is 50 N, and the distance is 30 m.

    W = (50 N) (30 m)

    W = 1500 J

    When the box is being lifted, the force is the weight of the box (10 kg * 9.8 m/s²), and the distance is 6 m.

    W = (98 N) (6 m)

    W = 588 J

    So the total work done is:

    W = 1500 J + 588 J

    W = 2088 J
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