A rope hangs down the front of a 100 foot high building. The rope is 60 feet long. The rope weighs 1.5 pounds per foot. The rope is hauled in at the top of the building. How much work is done (in ft-lbs)?
Added by Amanda R.
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Since the rope is 60 feet long and weighs 1.5 pounds per foot, the total weight of the rope is 60 feet * 1.5 pounds/foot = 90 pounds. Show more…
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