A chain, with length h = 100 feet and weighing 3 pounds per foot, hangs over the side of a building. We are goirg to determine the work required to lift the chain to the top of the building. 1:0 I=h This problem depends on the vertical coordinate system to the left. The force, E, on the il strip of the chain = weight of the ill\" strip of the chain. The distance, Iii, we are moving the it\" strip is Hi 2 meet [Must relate back to 1.- 1|. The work, \"'2, required to lift the aim strip of the chain is \"3",- = F.- - di. dding q] the work on all the stbintervals and allowing :1 } one, where n represents the number of stbintervals, gives the integral for total work, W, required to lift the chain to the top of the building. \"WW-Um Question Help: E Message instructor Sub mi t IIZ_J_u esti on