A flat steel bar has axial loads (forces along the centroidal axis of the bar) applied at points A, B, C, and D, as shown in Fig. a. If the bar has a cross-sectional area of 3.00 in.², determine the normal stress in the bar (a) On a cross section 20 in. to the right of point A. (b) On a cross section 20 in. to the right of point B. (c) On a cross section 20 in. to the right of point C. Figure (a) 81 kip 30 in. 45 in. OA BOC 54 kip 40 in. (a) 18 kip Ꭰ . 45 kip
A flat steel bar has axial loads (forces along the centroidal axis of the bar) applied at points A, B, C, and D, as shown in Fig. a. If the bar has a cross-sectional area of 3.00 in.², determine the normal stress in the bar (a) On a cross section 20 in. to the right of point A. (b) On a cross section 20 in. to the right of point B. (c) On a cross section 20 in. to the right of point C. Figure (a) 81 kip 30 in. 45 in. OA BOC 54 kip 40 in. (a) 18 kip Ꭰ . 45 kip
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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