Answer to Question #78353 in Mechanics | Relativity for Prerana

Question

crane operated by an electric motor
has a mass of 500 kg. It raises a load of
300 kg vertically at a steady speed of
0.2 ms 1. The frictional force is
constant and equal to 1200 N.
Calculate what is the power required.
(Take g = 10 ms 2)

Answer 1

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