Principal stresses at a point in plane stressed element are \[{{\sigma }_{x}}={{\sigma }_{y}}=500k\text{g/c}{{\text{m}}^{\text{2}}}.\] Normal stress on the plane inclined at \[45{}^\circ \] to x-axis will be:

\[707\,k\text{g/c}{{\text{m}}^{\text{2}}}\]

\[500\,k\text{g/c}{{\text{m}}^{\text{2}}}\]

\[1000\,k\text{g/c}{{\text{m}}^{\text{2}}}\]

Principal stresses at a point in plane stressed element are \[{{\sigma

1.	Principal stresses at a point in plane stressed element are \[{{\sigma }_{x}}={{\sigma }_{y}}=500k\text{g/c}{{\text{m}}^{\text{2}}}.\] Normal stress on the plane inclined at \[45{}^\circ \] to x-axis will be:
A.	0
B.	\[500\,k\text{g/c}{{\text{m}}^{\text{2}}}\]
C.	\[707\,k\text{g/c}{{\text{m}}^{\text{2}}}\]
D.	\[1000\,k\text{g/c}{{\text{m}}^{\text{2}}}\]
Answer» C. \[707\,k\text{g/c}{{\text{m}}^{\text{2}}}\]

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Principal stresses at a point in plane stressed element are \[{{\sigma }_{x}}={{\sigma }_{y}}=500k\text{g/c}{{\text{m}}^{\text{2}}}.\] Normal stress on the plane inclined at \[45{}^\circ \] to x-axis will be:

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