moriahminggilbert6 moriahminggilbert6
  • 13-05-2020
  • Physics
contestada

A man exerts 1000 Newtons of force to move a very large couch 2 meters. If it takes him 5 seconds to move the couch, how much power does it require?

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luisisawsome
luisisawsome luisisawsome
  • 13-05-2020

Answer:

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)

Explanation:

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