Answer to Question #168053 in Physics for Tithi

Question

What is meant Poisson’s ratio? What is its unit and significance? The modulus of rigidity and Poisson’s ratio of the material of a wire are 2.87 × 1010 N/m2, and 0.379 respectively.

Answer 1

Poisson's ratio is a dimensionless quantity that shows how much a body deforms in the direction perpendicular to the direction in which the load is applied. It shows how well a body can withstand loads.