Mechanical Properties of Solids

Related Questions

• Which of the following relations is true

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• The work done in stretching an elastic wire per unit volume is or strain energy in a stretched string is

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• A uniform plank of Young’s modulus $Y$ is moved over a smooth horizontal surface by a constant horizontal force $F$. The area of cross section of the plank is $A$. The compressive strain on the plank in the direction of the force is

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• The coefficient of linear expansion of brass and steel are ${{\alpha }_{1}}$ and ${{\alpha }_{2}}$. If we take a brass rod of length ${{l}_{1}}$ and steel rod of length ${{l}_{2}}$ at 0°C, their difference in length $({{l}_{2}}-{{l}_{1}})$ will remain the same at a temperature if

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• Which one of the following quantities does not have the unit of force per unit area

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