" l6Derive expression for elastic potential energy of a spring."

The elastic potential energy of a spring

Define Young's modulus of elasticitiy. normal stress and longitudinal strain. Give unit of each of them. Derive an expression for the elastic potential energy of a wire, when stretched.

what is meant by elastic potential energy? Deerive an expression for the elastic potential energy of streched wire. Prove that its elasic energy density is equal to 1/2 x stress x strain

Derive an expression for potential energy.

Derive an expression for the elastic potential energy stored in a stretched wire under stress.

Derive an expression for electric potential energy of a system of charges in an electric field.

Give the expression for potential energy stored in a spring.