Mechanical Properties of Solids

Question: A force of $200 N$ is applied at one end of a wire of length $2 m$ and having area of cross-section ${{10}^{-2}}\,c{{m}^{2}}$. The other end of the wire is rigidly fixed. If coefficient of linear expansion of the wire $\alpha =8\times {{10}^{-6}}/{}^\circ C$ and Young's modulus $Y=2.2\times {{10}^{11}}\,N/{{m}^{2}}$ and its temperature is increased by 5°C, then the increase in the tension of the wire will be



1) 4.2 N
2) 4.4 N
3) 2.4 N
4) 8.8 N
Solution: Explanation: No Explanation
Young’s Modulus Breaking Stress

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