Two solid cylindrical rods (1) and (2) are joined together at flange B and loaded, as shown in figure. The diameter of rod (1) is D₁ = 24 mm and the diameter of rod (2) is D₂ = 42 mm. Determine the normal stresses in rods (1) and (2). D₁ 140 kN 80 kN B 140 kN D₂