A mild steel shaft (modulus of elasticity = 210 GN/m2) has a stepped circular cross-section. Part A has a diameter of 75 mm and a length of 425 mm. Part B has a diameter of 60 mm and has a length of 375 mm. The shaft carries an axial tensile load of 65.0 kN.
(see attached file for diagram)
Solution attaches a .doc file showing how to find the stress and strain on a mild steel shaft at various points.