STRUCTURAL MECHANICS - 8

1. The solid steel circular shaft (Fig. 1), known as a stepped shaft, is subjected to torque TB and TE as shown. The shear modulus for steel is G = 80 GPa.
 a. Draw the torque diagram for the shaft. 
b. Determine the shear stress at the shaft surface in section AB, BC, CD and DE. 
c. Determine the angle of twist at E 




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