Mechanical Properties of Solids

Related Questions

• 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

  ---

• In which case there is maximum extension in the wire, if same force is applied on each wire

  ---

• Which of the following is true for elastic potential energy density

  ---

• When a uniform wire of radius $r$ is stretched by a $2kg$ weight, the increase in its length is $2.00 mm$. If the radius of the wire is $r/2$ and other conditions remain the same, the increase in its length is

  ---

• The length of a wire is $1.0 m$ and the area of cross-section is $1.0\times {{10}^{-2}}\,c{{m}^{2}}$. If the work done for increase in length by $0.2 cm$ is $0.4 joule$, then Young's modulus of the material of the wire is

  ---