Physics, 14.01.2021 05:40 flowerrbabie

A steel girder weighing 700 lb is hoisted from ground level to the roof of a 40-ft building using a chain that weighs 5 lb/running foot. Find the work done. Please help this is for calculus but I haven’t taken physics yet

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A steel girder weighing 700 lb is hoisted from ground level to the roof of a 40-ft building using a...