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An elevator of total mass 1800 kg is mov...

An elevator of total mass 1800 kg is moving up with a constant speed of `2m/s`. A frictional force of 4000 N acts on this motion. What is the power exerted by gravitational force ?

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An elevator of total mass 1800 kg is moving up with a constant speed of 2m/s . A frictional force of 4000 N acts on this motion. Determine the minimum power delivered to the elevator.

An elevator of total mass 1800 kg is moving up with a constant speed of 2m/s . A frictional force of 400 N acts on this motion. The direction of frictional force is cdots

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