In Exercises 31 and 32, consider a 15-foot hanging chain that weighs 3 pounds per foot

Chapter 7, Problem 31

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Lifting a Chain In Exercises 31 and 32, consider a 15-foot hanging chain that weighs 3 pounds per foot. Find the work done in lifting the chain vertically to the indicated position

Take the bottom of the chain and raise it to the 15-foot level, leaving the chain doubled and still hanging vertically (see figure).

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