A bar of cross-section \( A \) is subjected to equal and opposite tensile forces at its ends. Co...
1A bar of cross-section \( A \) is subjected to equal and opposite tensile forces at its ends. Consider a plane section of the bar, whose normal makes an angle \( \theta \) with the axis of the bar.
Match the Column I (stress) with Column II (value) and select the correct answer from the codes given below.
\begin{tabular}{lll}
\hline & Column I & Column II \\
\hline A. & The tensile stress on this plane will be & 1. 0 \\
\hline B. & The shearing stress on this plane will be & 2. \( (F / A) \cos ^{2} \theta \) \\
\hline C. & The tensile strength will be maximum at \( \theta= \) & 3. \( \left(\frac{F}{2 A}\right) \sin 2 \theta \) \\
\hline
\end{tabular}
D. The shearing stress will be \( 4.45^{\circ} \) \( \operatorname{maximum} \) at \( \theta= \)
\( \begin{array}{lllll} & \text { A } & \text { B } & \text { C } & \text { D } \\ \text { (a) } & 3 & 2 & 4 & 1 \\ \text { (b) } & 2 & 3 & 1 & 4 \\ \text { (c) } & 2 & 3 & 4 & 1 \\ \text { (d) } & 3 & 2 & 1 & 4\end{array} \)
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