A rectangular plate of dimensions 3.0 in. ( 5.0 in. is formed by welding two triangular plates (see figure). The plate is subjected to a tensile stress of 500 psi in the long direction and a compressive stress of 350 psi in the short direction.
Determine the normal stress (w acting perpendicular to the line of the weld and the shear Tw acting parallel to the weld. (Assume that the normal stress (w is positive when it acts in tension against the weld and the shear stress Tw is positive when it acts counterclockwise against the weld.)

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350 psi 3 in.500 psi in: