1. What is strain energy stored in a body due to gradually applied load?

2. Strain energy stored in a body to uniform stress s of volume V and modulus of elasticity E is ______

3. In a material of pure shear stress Ï„ strain energy stored per unit volume in elastic, homogeneous isotropic material having elastic constants E and v will be:

4. PL³/3EI is deflection under load P of a cantilever beam. What will be strain energy?

5. A rectangular block of size 400mm x 50mm x 50mm is subjected to a shear stress of 500kg/cm². If modulus of rigidity of material is 1×10⁶ kg/cm², strain energy will be ______

6. A material of youngs modulus and Poissons ratio of unity is subjected to two principal stresses σ₁ and σ₂ at a point in two dimensional stress system. The strain energy per unit volume of material is ______

7. If forces P, P and P of a system are such that force polygon does not close, n system will ______

8. The strain energy in a member is proportional to ______

9. A bar of cross-section A and length L is subjected to an axial load W. strain energy stored in bar would be ______

10. A tensile load of 60kN is gradually applied to a circular bar of 4cm diameter and 5m long. What is stretch in rod if E = 2×10⁵ N/mm²?