Mechanical Properties of Solids

Related Questions

• A rod is fixed between two points at 20°C. The coefficient of linear expansion of material of rod is $1.1\times {{10}^{-5}}/{}^\circ C$ and Young's modulus is $1.2\times {{10}^{11}}\,N/m$. Find the stress developed in the rod if temperature of rod becomes 10°C

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• The pressure of a medium is changed from $1.01 \times 10^5$ Pa to $1.165 \times 10^5$ Pa and change in volume is $10%$ keeping temperature constant. The Bulk modulus of the medium is

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• A rubber cord $10 m$ long is suspended vertically. How much does it stretch under its own weight (Density of rubber is $1500 kg/m^3$, $Y = 5 \times 10^8 N/m^2$, $g = 10 m/s^2$)

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• A brass rod of cross-sectional area $1\,c{{m}^{2}}$ and length $0.2 m$ is compressed lengthwise by a weight of 5 kg. If Young's modulus of elasticity of brass is $1\times {{10}^{11}}\,N/{{m}^{2}}$ and $g=10\,m/{{\sec }^{2}}$, then increase in the energy of the rod will be

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• A metal bar of length L and area of cross-section A is clamped between two rigid supports. For the material of the rod, its Young’s modulus is Y and coefficient of linear expansion is $\alpha $. If the temperature of the rod is increased by $\Delta {{t}^{o}}C,$ the force exerted by the rod on the supports is

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