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Math Help - find work done?

  1. #1
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    find work done?

    A constant force F = <23,33> moves an object along a vector D = <20,18> where units are in pounds and feet. Find work done. Please show ALL steps used to solve this problem.
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  2. #2
    MHF Contributor Unknown008's Avatar
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    Recall that:

    Work Done = Force x Displacement.

    (Taking 1 unit = 1 metre, and 1 unit of force = 1 N)

    Work done in x-direction = 23 x 20 = 460 J
    Work done in y-direction = 33 x 18 = 594 J

    Total work done = 460 + 594 = 1054 J = 1.054 kJ
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