When a shaft is subjected to a twisting moment, every cross-section of the shaft will be under
A. Tensile stress
B. Compressive stress
C. Shear stress
D. Bending stress
Answer: Option C
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Twisting moment impart an angular displacement of one end cross-section with respect to the other end and it will setup shear stresses on any cross section of the bar perpendicular to its axis.
The shear stress distribution is linear
Twisting moment impart an angular displacement of one end cross-section with respect to the other end and it will setup shear stresses on any cross section of the bar perpendicular to its axis.
Shear Stress at Centre of Torsion is Zero
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