Infinite number of masses, each of mass m, are placed along a straight line at distances of r, 2r, 4r, 8r, etc. from a reference point O.Then the gravitational field intensity at point O will be

Infinite number of masses, each of mass m , are placed along a straight line at distance of r, 2r, 4r, 8r , etc. from reference point O . Find the (i) gravitational field intensity and (ii) gravitational potential at point O .

Infinite number of masses, each of mass M , are placed along a straight line at distance of R ,2R,4R,8R, etc. From a reference point O. The magnitude of gravitational potential point O will be

A number of particles each of mass 0.75kg are placed at distances 1m, 2m, 4m, 8m etc. from origin along positive X axis. the intensity of gravitational field at the origin will be -

Masses of 1 kg each are placed 1 m, 2 m, 4 m, 8 m , ... from a point P . The gravitational field intensity at P due to these masses is