Which of the following statements about the moments acting on the pin is true?
a) Torque T creates torsional shear stress and bending moment M creates bending stresses
b) Torque T creates axial forces and bending moment M creates torsional shear stress
c) Torque T creates torsional shear stress and bending moment M creates bending stresses
d) Torque T creates bending stresses and bending moment M creates torsional shear stress