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A circular post, a rectangular post, and a post of cruciform cross section are each compressed by loads that produce a resultant force P acting at the edge of the cross section (see figure). 4 x 4 = b Load P here =d Lot The diameter of the circular post and the depths of the rectangular and cruciform posts are the same. (a) For what width b of the rectangular post will the maximum tensile stresses be the same in the circular and rectangular posts? (Use the following as necessary: d.) d b = (No Response) 6 (b) For what width b of the cruciform post will the maximum tensile stresses be the same in the circular and cruciform posts? (Use the following as necessary: d.) ad 3 b = (No Response) (c) Under the conditions described in parts (a) and (b), which post has the largest compressive stress? circular post rectangular post cruciform post Activate Windows Go to Settings to activate Windows.