A 80 foot chain weighing 20 pounds per foot supports a steel beam weighing 2000 pounds. How much work is done in winding 70 feet of the chain onto a drum.

Name: A 80 foot chain weighing 20 pounds per foot supports a steel beam weighing 2000 pounds. How much work is done in winding 70 feet of the chain onto a drum.
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The Answer of A 80 foot chain weighing 20 pounds per foot supports a steel beam weighing 2000 pounds. How much work is done in winding 70 feet of the chain onto a drum.

A 80 Foot Chain Weighing 20 Pounds Per Foot Supports