Mechanical Properties of Solids

Related Questions

• Two wires $A$ and $B$ are of same materials. Their lengths are in the ratio $1 : 2$ and diameters are in the ratio $2 : 1$ when stretched by force ${{F}_{A}}$ and ${{F}_{B}}$ respectively they get equal increase in their lengths. Then the ratio ${{F}_{A}}/{{F}_{B}}$ should be

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• The Young's modulus of a rubber string $8 cm$ long and density $1.5\,kg/{{m}^{3}}$ is $5\times {{10}^{8}}\,N/{{m}^{2}}$, is suspended on the ceiling in a room. The increase in length due to its own weight will be

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• If a spring extends by $x$ on loading, then the energy stored by the spring is (if $T$ is tension in the spring and $k$ is spring constant)

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• The area of cross-section of a wire of length $1.1$ metre is $1 mm^2$. It is loaded with 1 kg. If Young's modulus of copper is $1.1\times {{10}^{11}}\,N/{{m}^{2}}$, then the increase in length will be (If $g=10\,m/{{s}^{2}})$

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• The elastic energy stored in a wire of Young's modulus $Y$ is

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