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

In a material of pure shear stress τthe strain energy stored per unit

1.	In a material of pure shear stress τthe strain energy stored per unit volume in the elastic, homogeneous isotropic material having elastic constants E and v will be:
A.	τ²/E x (1+ v)
B.	τ²/E x (1+ v)
C.	τ²/2E x (1+ v)
D.	τ²/E x (2+ v)
Answer» D. τ²/E x (2+ v)