Mechanical Properties of Solids

Related Questions

• The work per unit volume to stretch the length by $1%$ of a wire with cross sectional area of $1\,m{{m}^{2}}$ will be. $[Y=9\times {{10}^{11}}\,N/{{m}^{2}}]$

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• A pan with set of weights is attached with a light spring. When disturbed, the mass-spring system oscillates with a time period of 0.6 s. When some additional weights are added then time period is 0.7s. The extension caused by the additional weights is approximately given by

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• An area of cross-section of rubber string is $2\,c{{m}^{2}}$. Its length is doubled when stretched with a linear force of $2\times {{10}^{5}}$dynes. The Young's modulus of the rubber in $dyne/c{{m}^{2}}$ will be

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• The spring balance does not read properly after its long use, because

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• The ratio of Young's modulus of the material of two wires is 2 : 3. If the same stress is applied on both, then the ratio of elastic energy per unit volume will be

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