- Stress– Force applied on a body per Unit area is called as stress.It can be denoted by Stress= Force/Area.
- Strain– When a body is subjected to tensile force, the body undergoes change in length.
Change in length of the body to the original length is known as Strain.
Strain = Change in Length / Original Length
- Modulus of Elasticity / Young’s Modulus
Modulus of elasticity is the ratio of stress to the strain induced in a body
Young’s modulus is denoted by E
E= Stress / Strain