2002 JAMB Physics Theory (a) Explain elasticity of a substance. (b) Define elastic constant.

(a) Explain elasticity of a substance.

(b) Define elastic constant.

Explanation

(a) Elasticity is the ability for a body to regain its original shape and size after undergoing a stretching or compression force.

(b) Elastic constant is the force that produces a unit extension of the material.