KPCL JE Mechanical Question Paper - 2018 with Answer Key

Poisson's ratio is defined as the ratio of Lateral strain and longitudinal strain.

The strain energy stored in a body due to external loading within the elastic limit is known as resilience.

1. The maximum strain energy which can be stored in a body upto the elastic limit is called proof resilience.
2. The proof resilience per unit volume of a material is known as modulus of resilience.

A scalar quantity is defined as the physical quantity that has only magnitude, for example, mass and electric charge.

On the other hand, a vector quantity is defined as the physical quantity that has both magnitude as well as direction like force, weight, acceleration and velocity.