A spring 40 mm long is stretched by the application of a force. If 10 N force required to stretch the spring through 1mm, then the work done in stretching the spring through 40 mm is

A spring 40 mm long is stretched by the application of a force . If 10 N force required to stretch the spring through 40 mm is ……..

A wire is stretched by one mm by a force of 1 kN. The work done is stretching the wire is

A spring of force constant K is first stretched by distance a from its natural length and then further by distance b. The work done in stretching the part b is

A force of 20.0 N is required to hold a spring stretched by 5.0 cm from its equilibrium position. How much work was done in stretching the spring ?

If one end of a wire is fixed with a rigid support and the other end is stretched by a force of 10 N, the increase in length is 0.5 mm. The ratio of enegry of the wire and the work done in displacing it through 1.5 mm by the weight is

A spring is stretched. Is the work down by the stretching force positive or negative ?

A spring of force constant k is stretched by a small length x . Find the work done in stretching it further by a small length y .

20 J work is required to stretch a spring through 0.1 m. Find the force constant of the spring If the spring is further stretched through 0.1 m, calculate work done