50 lb 12 in. 45 10 in.- Prob. 8–126

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The shaft is made from a solid steel section AB and a tubular portion made of steel and having a brass core. If it is fixed to a rigid support at A, and a torque of T = 50 lb.ft is applied to it at C, determine the rotation angle that occurs at C relative to A and compute the maximum shear stress and maximum shear strain in the brass and steel. Take Gst = 11500 ksi, Gbr = 5600 Ksi. 3 ft 2 ft 0.5 in. B 1 in. T = 50 lb·ft

Reduce the given loading system to a force-couple system at point A. Then determine the distance x to the right of point A at which the resultant of the three forces acts. A Answers: 8" V R= i M= 320 lb X= i Force-couple system at A. The force is positive if up, and the moment is positive if counterclockwise. Resultant i 15" 24" 600 lb 350 lb lb lb-in. in.