A person pulls a box across the floor with a rope. The rope makes an angle of 40 degrees tot he horizontal, and a total of 125 newtons of fo

Question

A person pulls a box across the floor with a rope. The rope makes an angle of 40 degrees tot he horizontal, and a total of 125 newtons of force is applied. How much work is done if the box is pulled for 25 meters?

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Philomena 3 months 2021-08-02T18:36:46+00:00 1 Answers 10 views 0

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    2021-08-02T18:38:36+00:00

    Answer:

    The angle formed of the rope with the surface = 40°

    Force applied = 125Newtons

    The displacement covered by the box =25metres

    W= FDcos theta

    [125×40×cos(40°) ] Joules

    = [ (3125×0.76604444311)]Joules

    = 2393.88888472 joules(ans)

    Hope it helps

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