From a solid sphere of mass M and radius `R/2` aspherical portion of radius ž is romoved as shown in figure. Taking gravitational potential V = 0 and `r = oo` , the potential at the centre of the cavity thus form is ......... . (G = Gravitational constant)

From a solid sphere of mass M and radius R, a spherical portion of radiu (R )/(2) is removed as shown in the figure. Taking gravitational potential V = 0 at r = oo , the potential at the centre of the cavity thus formed is (G = gravitational constant)

From a solid sphere of mass M and radius R, a spherical portion of radius R/2 is removed, as shown in the figure Taking gravitational potential V =0at r = oo, the potential at (G = gravitational constatn)

From a solid sphere of mass M and radius R , a solid sphere of radius R//2 is removed as shown. Find gravitational force on mass m as shown

A sphere of radius 2R and mas M has a spherical cavity of radius R as shown in the figure. Find the value of gravitational field at a point P at a distance of 6R from centre of the sphere.

Inside a uniform sphere of mass M and radius R, a cavity of radius R//3 , is made in the sphere as shown :

Two spheres each of mass M and radius R are separated by a distance of r . The gravitational potential at the potential at the midpoint of the line joining the centres of the spheres is

Three solid spheres of mass M and radius R are placed in contact as shown in figure. Find the potential energy of the system ?

A shell of mass M and radius R has point mass m placed at a distance r from its centre. The gravitational potential energy U(r) vs r will be

A particle of mass m is placed at a distance of 4R from the centre of a huge uniform sphere of mass M and radius R . A spherical cavity of diameter R is made in the sphere as shown in the figure. If the gravitational interaction potential energy of the system of mass m and the remaining sphere after making the cavity is (lambdaGMm)/(28R) . Find the value of lambda