A crane lifts an air conditioner weighing 800 Newtons up to the roof of a building in New York City. It took one minute to raise it 200 meters. How much work was accomplished? How much power was required? Work = 160,000 Nm, Power = 160, 000 Nm/sec Work = 160,000 Nm, Power = 2667 Nm/sec Work = 800n-m, Power = 4 Nm/sec

Question

Mathematics

Isabel Berry

2 May, 06:23

A crane lifts an air conditioner weighing 800 Newtons up to the roof of a building in New York City. It took one minute to raise it 200 meters. How much work was accomplished? How much power was required? Work = 160,000 Nm, Power = 160, 000 Nm/sec Work = 160,000 Nm, Power = 2667 Nm/sec Work = 800n-m, Power = 4 Nm/sec

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Answers (1)

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Allisson Sawyer · Answer 1

160,000 Nm

2667 Nm/sec

Step-by-step explanation:

Work = weight * distance

= 800 * 200

= 160,000 Nm

Power = rate of work done

= 160,000 / 60

= 2667 Nm/sec