Hooke’s Law & the stress-strain formula introduces a new term called **modulus of elasticity**

Inside a continuous elastic material (such as a block of rubber, or a steel bar), the stresses and strains of the material are connected by a linear relationship. This relationship is mathematically similar to Hooke’s spring law and is often referred to by that name.

**Hooke’s Law introduces the modulus of elasticity**

From Hooke’s Law for small deformations in a continuous elastic material, the ratio of stress and strain comes out to be constant.

Stress/Strain = K(constant)

This constant K is the ratio of stress and strain, and is termed as modulus of elasticity.

**Modulus of elasticity formula**

Modulus of elasticity = stress/strain

Know more: 3 different forms of Hooke’s Law equations