Find the power delivered by the person pulling on the rope

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Reference no: EM13667327

A 6.2 kilogram box is being lifted by means of a light rope that is threaded through a single, light, frictionless pulley that is attached to the ceiling.

(a) If the box is being lifted at a constant speed of 2.0 m/s, find the power delivered by the person pulling on the rope?

__kW

(b) If the box is lifted, at constant acceleration, from rest on the floor to a height of 1.5 meter above the floor in 0.42 second, find what average power is delivered by the person pulling on the rope?

__kW

Reference no: EM13667327

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