A 100-foot length of steel chain weighing 5 lb/ft is dangling from the drum of a winch.(a) How much work is required to wind the chain onto the drum?
(b) How much work is required to wind the first 30 feet of chain onto the drum?

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The Answer of A 100-foot length of steel chain weighing 5 lb/ft is dangling from the drum of a winch.(a) How much work is required to wind the chain onto the drum?
(b) How much work is required to wind the first 30 feet of chain onto the drum?

A 100-Foot Length of Steel Chain Weighing 5 Lb/ft Is