Run the winch until the bottom of the chain is at the 10-foot level
Chapter 7, Problem 29(choose chapter or problem)
Lifting a Chain In Exercises 27–30, consider a 20-foot chain that weighs 3 pounds per foot hanging from a winch 20 feet above ground level. Find the work done by the winch in winding up the specified amount of chain.
Run the winch until the bottom of the chain is at the 10-foot level.
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