Kelvi

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

hard

Mechanical Properties of Solids

2024

physics

$100 \times 10^3$ N

$2 \times 10^3$ N

$5 \times 10^3$

Explanation

To solve this problem, we need to find the compressive force developed in the metallic bar when it is heated from $0^\circ$ C to $100^\circ$ C without allowing it to expand. $\\$ Given: $\\$

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