Mechanical Engineering > GATE 2023 > Theories of Failure
The principal stresses at a point P in a solid are 70 MPa, -70 MPa and 0. The yield stress of the material is 100 MPa. Which prediction(s) about material failure at P is/are CORRECT?
A
Maximum normal stress theory predicts that the material fails
B
Maximum shear stress theory predicts that the material fails
C
Maximum normal stress theory predicts that the material does not fail
D
Maximum shear stress theory predicts that the material does not fail

Explanation

Correct : b, c

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