Erik K.

asked • 02/20/19

Calculate the work required to lift a chain.

4-m chain with linear mass density ρ(x) = 2x(4 − x) kg/m from x = 0 to x = 4 lies on the ground. Calculate the work required to lift the chain from its front end so that its bottom is 2 m above ground. (Assume that the chain is lifted from the end at x = 4. Assume that acceleration due to gravity is g = 9.8 m/s2. Round your answer to one decimal place.) 


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