Asked by james

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 4.30 m. What is the work done on the man by (a) the gravitational force and (b) the escalator?

Answers

Answered by Elena
1. W(grav) = -mgh
2. W(es) = mgh
Answered by fart
a)80
b) 97
Answered by fart
previous answers were wrong
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