PROBLEM 3.11 Knowing that each portion of the shafts
AB,BC, and
CDconsist of a solid circular rod, determine (a) the shaft in which the maximum shearing stress occurs, (b) the magnitude of that stress. c) Assume
G=100GPa,AB,BCand
CDhave same length of 0.2 m , determine the angles of rotation at
Aand
B.