Answer to Question #169715 in Physics for Pushpo

Question

Establish a relationship among Young’s modulus (Y), bulk modulus (K), rigidity modulus (η), and Poisson’s ratio (σ).

Answer 1

$$\frac{3}{Y}=\frac{1}{\eta}+\frac{1}{3K}\\2\sigma=1-\frac{Y}{3K}$$