A particle of mass $M$ is placed at the centre of a uniform spherical shell of mass $2M$ and radius $R$. The gravitational potential on the surface of the shell is
A particle of mass $M$ is placed at the centre of a uniform spherical shell of mass $2M$ and radius $R$. The gravitational potential on the surface of the shell is
- A
$-\frac{GM}{R}$
- B
$-\frac{3GM}{R}$
- C
$-\frac{2GM}{R}$
- D
Zero
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