A shaft AB is attached to member CDFH at A and fixed to a wall at B (Figure P5.93). The sh...

A shaft AB is attached to member CDFH at A and fixed to a wall at B (Figure P5.93). The shaft has a diameter of 60 mm and the parts CD and FH of member CDFH have square cross sections of 40 mm by 40 mm. The massive hub DF may be considered as rigid. A torque of magnitude 3 kN • m is applied to the midsection of the shaft as shown. All members are made of steel (E = 200 GPa and G = 77.5 GPa).

a. Determine the maximum bending stress in members CD and FH.

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b. Determine the maximum shear stress in the shaft.

FIGURE P5.93