Physics · Mechanics of Solids
When a body is subjected to bi-axial stress, i.e., direct stresses P1 and P2 in two mutually perpendicular planes accompanied by a simple shear stress q, then the maximum normal stress is given by:
- 1P1 + P22 + 12√((P1 - P2)2 + 4q2)✓
- 2P1 + P22 - 12√((P1 - P2)2 + 4q2)
- 3P1 - P22 - 12√((P1 + P2)2 + 4q2)
- 4P1 - P22 + 12√((P1 + P2)2 + 4q2)
Correct answer
P1 + P22 + 12√((P1 - P2)2 + 4q2)
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