Question
A steel rod 3 feet long with a cross-sectional area of 0.25 in. is stretched between two fixed points. The tensile force is 1200
A steel rod 3 feet long with a cross-sectional area of 0.25 in. is stretched between two fixed points. The tensile force is 1200 lb at 40F. Using E = 29 x 10 psi and a = 6.5 x 10 in./(in.-F), calculate (a) the temperature at which the stress in the bar will be 10 ksi; and (b) the temperature at which the stress will be zero.
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