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20 December, 16:56

A man cleaning his apartment pushes a vac-uum cleaner with a force of magnitude 42.8 N. The force makes an angle of 16.5◦with the hor-izontal floor. The vacuum cleaner is pushed2.62 m to the right along the floor. Calculate the work done by the 42.8 N force. Answer in units of J.

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  1. 20 December, 19:01
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    107.52 J

    Explanation:

    force (f) = 42.8 N

    angle of force (θ) = 16.5 °

    distance (d) = 2.62 m

    find the work done.

    work done = force x distance

    resolving the force we have = 42.8 x cos (16.5) = 41.04 N

    work done = 41.04 x 2.62 = 107.52 J
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