Derive an expression for the potential energy of an elastic stretched spring.

Show that the elastic force of a spring is a conservative forcce. Hence write an ex,pression for the petenial energy of an elastic stretched spriing.

Derive an expression for the potential energy of a stretched spring .

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

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

Define potential energy. Derive an expression for the potential energy of a body of mass m, at a height h above the surface of the Earth.

What do you mean by gravitational potential energy ? Derive an expression for the gravitational potential energy of an object raised to a height h .

Explain the conept of electric potential energy. Derive an expression for potential energy of a system of two point charges. Generalise the expression fo N discrete charges.

Derive an expression for the speed of transverse waves on a stretched string.

Draw a plot of spring force versus displacement x. Hence find an expression for the P.E. of an elastic stretched spring.