Assertion : The centre of semicircular ring of mass `m` and radius R is the origin O. The potential at origin is `-(Gm)/(R)`

Reason : The gravitational field strength is towards Y-axis.

For a uniform ring of mass M and radius R at its centre

For a uniform ring of mass M and radius R at its centre

Find the centre of mass of a uniform semicircular ring of radius R and mass M .

Find the centre of mass of a uniform semicircular ring of radius R and mass M .

The escape velocity form the centre of a unifrom ring of mass M and radius R is :

A particle of mass m is kept on the axis of a fixed circular ring of mass M and radius R at a distance x from the centre of the ring. Find the maximum gravitational force between the ring and the particle.

Gravitational potential at a distance 'r' from a point mass 'm' is V = -(GM)/(r) Find gravitational field strength at that point.

Gravtational potential at a distance 'r' from a point mass 'm' is V = -(GM)/(r) Find gravitational field strength at that point.