A body of mass 100 gm is suspended from a light spring and stretches the spring by 10 cm. What is the force constant ?

A copper wire 2 m long and having a diameter of 2mm is suspended from a rigid support . The wire is stretched by a load of 5 kg . Find the work done in stretching the wire and the strain energy per unit of its volume. Y = 12 xx 10^10 N/m^2 and g= 9.8 m/s^2 .

Oscillation of a mass suspended from a vertical spring is _____ motion.

A body of mass m hung at one end of the spring executes SHM. The force constant of spring is K while period of vibration is T. Prove by dimensional method that the equation T=(2pim)/k is incorrect.

A body of mass 10 kg is moving wih a velocity of 100 cm s^-1 . Find the magnitude of force required to stop I in 10 second. How much distance will it move through before coming to rest ?

Light from a point source in air falls on a spherical glass surface (n = 1.5) of radius of curvature 20 cm. The distance of the light source form the glass surface is 100 cm. Find the position of the image.

A body of mass 5kg is acted on by a net force F which varies as shown in the graph. The momentum obtained would

What is the force constant of a spring which stretched by 0.1m when a mass of 0.5kg is hung from it ?

A body of mass 1 kg is attached to one end of a wire and rotated in a horizontal circle of diameter 40cm with constant speed of 2m/s What is the area of cross section of the wire if the stress developed in the wire is 5 xx 10^6 N/m^2 .