Physics · Mechanics of Materials
When a member is subjected to a direct tensile or compressive stress (σ) in one plane, the normal stress (σn) on an oblique plane inclined at an angle θ with the normal to the stress plane is given by which formula?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1σ cos 2θ
- 2cos2θ
- 3σ cos2θ✓
- 4σ cos θ
Correct answer
σ cos2θ
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