A straight round shaft is subjected to a torque of 5000 lb # in. Determine the
Chapter 6, Problem 6.31(choose chapter or problem)
A straight round shaft is subjected to a torque of \(5000 \ \mathrm{lb} \cdot \mathrm{in}\). Determine the required diameter, using steel with a tensile yield strength of 60 ksi and a safety factor of 2 based on initial yielding:
(a) According to the maximum-normal-stress theory.
(b) According to the maximum-shear-stress theory.
(c) According to the maximum-distortion-energy theory.
Discuss briefly the relative validity of the three predictions.
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