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1. |
When a body is subjected to a direct tensile stress (σ) in one plane, then tangential or shear stress on an oblique section of the body inclined at an angle θ to the normal of the section is |
A. | σ sin 2θ |
B. | σ cos 2θ |
C. | σ/2 sin 2θ |
D. | σ/2 cos 2θ |
Answer» D. σ/2 cos 2θ | |