Question

Each of the three blocks P, Q and R shown in figure (14-W3) has a mass of 3 kg. Each of the wires A and B has cross-srctional are 0.005 $c{m}^2$ and Young modulus $2\times {10}^{11}N{m}^{-2}$. Neglect friction. Find the longitudinal strain developed in each of the wires. Take $g=10m{s}^{-3}$

• A. 1
• B. 2
• C. 3
• D. 4

Answer 1

The correct option is C 3

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