Physics, asked by boyyay4, 5 months ago

Find the power rating of motor of crane which coils rope with tension of 100 N with
speed of 2m / s assuming motor is 80% efficient.

Answers

Answered by dthdealer9
5

Explanation:

The input power to an electric motor is 200 kW. Its efficiency is 80 %. It operates a crane of efficiency 90 %. If the crane is lifting a load of 3.6 tonnes, the velocity with which the load moves is

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