Gravitational field intensity at the centre of the semi circle formed by a thin wire `AB` of mass `m` and length `L` is

Calculate the gravitational field intensity at the centre of the base of a hollow hemisphere of mass M and radius R . (Assume the base of hemisphere to be open)

Calculate the gravitational field intensity and potential at the centre of the base of a solid hemisphere of mass m , radius R

Calculate the gravitational field intensity at the centre of the base of a hollow hemisphere of mass M and radius R . (Assume the base of hemisphere to be open)

Calculate gravitational field intensity at a distance x on the axis from centre of a uniform disc of mass M and radius R .

Find the intensity of gravitational field at a point lying at a distance x from the centre on the axis of a ring of radius a and mass M .

Find the intensity of gravitational field at a point lying at a distance x from the centre on the axis of a ring of radius a and mass M .

If gravitational field Intensity is E at distance R/2 outside from then surface of a thin shell of radius R , the gravitational field intensity at distance R/2 from its centre is

If gravitational field Intensity is E at distance R/2 outside from then surface of a thin shell of radius R , the gravitational field intensity at distance R/2 from its centre is

Find the gravitational potential energy of a system consisting of a uniform rod AB of mass M, length l and a point mass m as shown in figure.