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Mechanical Properties of Solids: NEET 2024

Medium· Stress and Strain (Tensile and Compressive Strain)· +4 / −1
A metallic bar of Young's modulus 0.5×1011 N m−20.5\times10^{11}\ \text{N m}^{-2} and coefficient of linear thermal expansion 10−5 ∘C−110^{-5}\ {}^\circ\text{C}^{-1}, length 1 m and area of cross-section 10−3 m210^{-3}\ \text{m}^2 is heated from 0∘0^\circC to 100∘100^\circC without expansion or bending. The compressive force developed in it is:
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