A body of mass m is placed at the centre of the spherical shell of radius R and mass M . The gravitational potential on the surface of the shell is

Question

A body of mass m is placed at the centre of the spherical shell of radius R and mass M . The gravitational potential on the surface of the shell is, - G R M + m, - G R M - m, - G R mM M + m, - G R m M M - m

MARKS App · Accepted Answer

Gravitational potential on the surface of the shell due to the body of mass m is V b = - G m R Gravitational potential on the surface of the shell due to shell itself is V s = - G M R ∴ V = V b + V s = - G R M + m

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