Justus6973 Justus6973

15-03-2024
Physics

contestada

A person standing on a scaffold lowers an object of weight 250 N by means of a rope, at constant speed. If the weight of the rope is negligible, the force that the person exerts is:

A) constant and less than 250 N
B) equal to 250 N
C) less than 250 N and decreasing
D) greater than 250 N

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