The intensity of resultant stress on a plane AB as shown in figure 4…

Question

The intensity of resultant stress on a plane AB as shown in figure 4 at appoint in a material under stress is 88 MN/m^2 (Tensile) inclined at 30° to the normal to that plane. The normal component of stress on another plane BC at right angles to plane AB is 65 MN/m^2. Determine (i) the resultant stress on the plane BC, (ii) the principal stresses and principal planes, (iii) the maximum shear stress and its plane :

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