A 771 kg man is riding an escalator in a shopping mall what


A 77.1 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 4.43 m. What is the work done on the man by the gravitational force?

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Physics: A 771 kg man is riding an escalator in a shopping mall what
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