A simple rectangular block is subjected to two tensile stress of 80 Mpa and 40 MPa at two perpendicular planes with a shear stress of 50 MPa on the same plane. The magnitude of principal stresses, the direction of principal planes, and the value of maximum shear stress developed in the block.

A simple rectangular block is subjected to two tensile stress of 80 Mp

1.	A simple rectangular block is subjected to two tensile stress of 80 Mpa and 40 MPa at two perpendicular planes with a shear stress of 50 MPa on the same plane. The magnitude of principal stresses, the direction of principal planes, and the value of maximum shear stress developed in the block.
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