Physics · Strength of Materials - Principal Stresses
When a body is subjected to a direct tensile stress (p) in one plane accompanied by a simple shear stress (q), the maximum normal stress is given by:
- 1p2 - 12√(p2 - 4q2)
- 2p2 + 12√(p2 - 4q2)
- 3p2 - 12√(p2 + 4q2)
- 4p2 + 12√(p2 + 4q2)✓
Correct answer
p2 + 12√(p2 + 4q2)
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