Questions and Answers of Mechanics Of Materials

A copper rod of length L =18.0 in is to be twisted by torques T (see figure) until the angle of rotation between the ends of the rod is 3.08.(a) If the allowable shear strain in the copper is 0.0006
A thin-walled steel tube having an elliptical cross-section with constant thickness t (see figure) is subjected to a torque T =18 kip-in. Determine the shear stress and the rate of twist (in degrees
A solid steel shaft ABCDE turns freely in bearings at points A and E. The shaft is driven by the gear at C, which applies a torque T2 = 325 lb-ft. Gears at B and D are driven by the shaft and
Calculate the shear stress and the angle of twist (in degrees) for a steel tube (G = 76 GPa) having the cross-section shown in the figure. The tube has a length L = 1.5 m and is subjected to a torque

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