Question: The normal stresses at a point in a strained material across two planes are shown in figure 2 . The shear stress on these planes

The normal stresses at a point in a strained material across two planes are shown in figure
2.The shear stress on these planes are 40Nmm2. Find: (a) Principal stresses. (b) The
normal and magnitude of shear stresses on a plane inclined at 30 degree to the vertical.
Figure 2
The normal stresses at a point in a strained

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