1. In the case of no warping constraint, a uniform torque My, and a homogeneous material, determine the twist per unit length and maximum stress for each of the bent sheet metal cross-sections 1, typ 1, t. -1, typ. K*-22- h kannt (a) (b) (c) Bent sheet metal open cross-sections. 1. In the case of no warping constraint, a uniform torque My, and a homogeneous material, determine the twist per unit length and maximum stress for each of the bent sheet metal cross-sections 1, typ 1, t. -1, typ. K*-22- h kannt (a) (b) (c) Bent sheet metal open cross-sections