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    work done by the escalator and the gravitational force

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    A 75.0 kg man is riding an escalator in a shopping mall. The escalator moves the man at a constant velocity from ground level to the floor above, a vertical height of 4.60 m. What is the work done on the man by a) the gravitational force and b) the escalator?

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    The gravitational force is mg = 75 *9.8 = 735 N.

    So the work done by the ...

    Solution Summary

    The solution finds out the work done on the man by the escalator and the gravitational force, respectively.