A steel guy cable hangs vertically to support a roof system at the lower end of the cable. The 240-ft-long wire has a net cross section area of 0.75 in2 and weighs 1.50 lb/ft. Tensile stress in the cable must not exceed 20 000 lb/in2.
(a) Determine the maximum tensile stress that develops in the cable due to its own weight.
(b) Determine the maximum load that can be carried at the lower end of the cable without exceeding the maximum specified tensile stress.
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