Mathematics, 29.03.2021 18:20 lberries08

A chain 10 feet long weighs 6 pounds per foot and is hung from a platform 40 feet above the ground. How much work (in ft-lb) is required to raise the entire chain to the 40-foot level

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A chain 10 feet long weighs 6 pounds per foot and is hung from a platform 40 feet above the ground....

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