A hollow shaft is 0.9 m long and has the cross section
Chapter 3, Problem 3.106(choose chapter or problem)
A hollow shaft is 0.9 m long and has the cross section shown. The steel is assumed to be elastoplastic with \(\tau_{Y}=180 \mathrm{MPa}\) and G = 77.2 GPa. Determine (a) the angle of twist at which the section first becomes fully plastic, (b) the corresponding magnitude of the applied torque.
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