Question

if the poisson’s ratio of a material is 0.25, the ratio of modulus of rigidity to young’s modulus will be

Answer 1

The Poisson’s ratio (v), Young’s modulus (E), and Modulus of rigidity (G) are bound by the following relation:

2G(1+v)=E

Therefore, when v= 0.25, the ratio G/E= 0.4