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Asked by Gerald

How much must you pull the rope if a force if 648 newtons is needed to lift a 1472 Newton desk 2.46 meters
5 years ago

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Answered by oobleck
648/1472 = 0.44
So, since you are exerting 0.44 the force, you must be using a pulley system so that the load moves 0.44 as far as your end of the rope.

That is, the work at your end and on the load are the same: force * distance.
5 years ago

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