A metre stick weighing 600 g, is displaced through an angle of `60^@` in vertical plane as shown. The change in its potential energy is (`g = 10 m s^(-2)`)

A uniform meter scale of mass 2kg is suspended from one end.If it is displaced through an angle of 60^(0) from the vertical,the increase in its potential energy is ?

A uniform metre scale of mass 2kg is suspended from on end. If it is displaced through an angle 60^(@) from the vertical, the increases in its potential energy is ,

A stick of mass m and length l is pivoted at one end and is displaced through an angle theta. The increase in potential energy is

A stick of mass m and length l is pivoted at one end and is displaced through an angle theta. The increase in potential energy is

A metre stick of mass 400 gm is pivoted at one end and displaced through an angle of 60°. The increase in its P.E. is:

A body of mass 5 kg is taken a height 5 m to 10 m .Find the increase in its potential energy (g=10 m s^(-2) )

A simple pendulum of length 1m has bob of mass 100 g. It is displaced through an angle of 60^@ from the vertcal and then released. The kinetic energy of bob when it passes through the mean position is