A bar of cross section A is subjected to two equal and opposite tensile forces as shown…
Physics · JEE Advanced · NTA Exams — Properties of Solids and Liquids
A bar of cross section A is subjected to two equal and opposite tensile forces as shown. Consider a cross section BB as shown in figure. The shearing stress at this point is
- \(\frac{\mathrm{F} \cos ^{2} \theta}{\mathrm{~A}}\)
- \(\frac{\mathrm{F}}{\mathrm{~A}}\)
- \(\frac{\mathrm{F} \sin 2 \theta}{2 \mathrm{~A}}\)
- zero
Answer
(C) F 2 2 ~A
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