Mechanical Properties of Solids

Related Questions

• Which of the following relations is true

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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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• 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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• A substance breaks down by a stress of $10^6 N/m^2$. If the density of the material of the wire is $3 \times 10^3 kg/m^3$, then the length of the wire of the substance which will break under its own weight when suspended vertically, is

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• Two wires of same diameter of the same material having the length $l$ and $2l$. If the force $F$ is applied on each, the ratio of the work done in the two wires will be

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