9.3 Determine the tensile stress in each segment of the bar shown. Segment AB has a square cross section 2 in. by 2 in. Segment BC has a circular cross section with a diameter of 1.75 in. The tensile load P = 75 kips. Problem 9.3 d 2'-0" B 3'-6" 9.4 Calculate the stress developed in the following members that are each subjected to an axial tensile load of 70 kN: a steel bar, 25 mm by 50 mm b. 150-mm-diameter wood post (use the given diameter) c. 25-mm-diameter steel tie rod 9.5 The following members are subjected to axial tensile loads of 16,000 lb. Determine the stress induced. a. steel bar 2 in by 2 in. b. W4 x 13