Properties Of Matter

A metallic bar of Young's modulus, \(0.5 \times 10^{11} \mathrm{~N} \mathrm{~m}^{-2}\) and coefficient of linear thermal expansion \(10^{-5}{ }^{\circ} \mathrm{C}^{-1}\), length \(1 \mathrm{~m}\) and area of cross-section \(10^{-3} \mathrm{~m}^2\) is heated from \(0^{\circ} \mathrm{C}\) to \(100^{\circ} \mathrm{C}\) without expansion or bending. The compressive force developed in it is :