A man exerts 700 newtons of force to move a piece of furniture 4 meters. if it takes him 2 seconds to move the furniture, how much power does it require?

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asked Apr 28, 2016 11.3k views

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Ron Kalian · Answer 1 · 2016-05-04T12:10:36+0000

Work = (force) x (distance)

The work he did: Work = (700 N) x (4m) = 2,800 joules

The rate at which
he did it (power): Work/time = 2,800 joules/2 sec

= 1,400 joules/sec

= 1,400 watts

= 1.877... horsepower (rounded)

A man exerts 700 newtons of force to move a piece of furniture 4 meters. if it takes him 2 seconds to move the furniture, how much power does it require?

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