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

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

Derive an expression for the potential energy of a 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.

Discuss the conservation of energy in an elastic spring. Hence write an expression for the maximum speed of a body of massin oscillating at its one end.

If a body of mass m suspended by a spring comes to rest after a downward displacement y_(0) find (a) the force constant of the spring, (b) loss in gravitational potential energy and (c) gain in elastic potential energy.

A spring of spring constant k is stretched by distance r. Obtain formula for elastic potential energy of a stretched spring. Plot graph of energies versus distance.

There are two springs P and Q . Spring constant for P is K and that for Q is 3K . Both the springs are elongated by applying force of same magnitude . If U is energy stored in spring P then energy stores in spring Q is

The fig. shows an infinite tower of identical springs each having force constant k. The connecting bars and all springs are massless. All springs are relaxed and the bottom row of springs is fixed to horizontal ground. The free end of the top spring is pulled up with a constant force F. In equilibrium, find (a) The displacement of free end A of the top spring from relaxed position. (b) The displacement of the top bar B1 from the initial relaxed position.

The elastic potential enegry of a stretched spring is given by E = 50 x^(2) . Where x is the displacement in meter and and E is in joule, then the force constant of the spring is