Mathematics · Solid Mechanics
A structural member experiences a uniform state of plane stress given by σx = 3P, σy = -2P, and τxy = √2 P, where P > 0. If the yield strength of the material in tension is 350 MPa, according to the maximum distortion energy theory (von Mises criterion), yielding starts when P equals:
- 175 MPa
- 2120 MPa
- 390 MPa
- 470 MPa✓
Correct answer
70 MPa
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