A uniform solid sphere of mass M and radius a is surrounded symmetrically by a uniform thin spherical shell of equal mass and radius 2a. Find the gravitational field at a distance a). 3/2 a from the centre , b). 5/2 as from the centre.

A uniform solid sphere of mass M and radius a is surrounded symmetrically by a uniform thin spherica shel of equla mass and radius 2a.Find the gravitational field at a distance a. 3/2 a from the centre , b. 5/2 as from the centre.

A uniform solid sphere of mass m and radius r is suspended symmetrically by a uniform thin spherical shell of radius 2r and mass m .

A particle of mass M is placed at the centre of a uniform spherical shell of equal mass and radius a. Find the gravitational potential at a point P at a distance a/2 from the centre.

A solid sphere of radius a and mass m is surrounded by cocentric spherical shell of thickness 2a and mass 2m the gravitational field at a distance 3a from their centres is

A solid sphere of mass M and radius R is surrounded by a concentric shell of equal mass M and radius 3R . The gravitational field at a point P_(1) at a distance r_(1)=2R from the centre is I_(1) and a point P_(2) at distance r_(2)=4R from the centre is I_(2) The ratio (I_(2))/(I_(1))

For a given uniform spherical shell of mass M and radius R find gravitational field at a distancer r from centre in following two cases (a) r ge R (b) r lt R .

A particle of mass M is at a distance a from surface of a thin spherical shell of equal mass and having radius a .

A uniform metal sphere of radius a and mass M is surrounded by a thin uniform spherical shell of equal mass and redius 4a. The centre of the shell falls on the surface of the iner sphere

A particle of mass M is situated at the centre of a spherical shell of same mass and radius 'a'. The gravitational potential at a point situated at (a)/(2) distance from the centre, will be

Consider a thin spherical shell of uniform density of mass M and radius R :