Question 403: Gravitation

Question

Which one of the following plots represents the variation of gravitiational field on a particle with distance r due to a thin spherical shell of radius R? (r is measured from the centre of the spherical shell)

Accepted Answer

Gravitational field due to the thin spherical shell Inside the shell, i.e. (For r  R)
$$F = {{GM} \over {{r^2}}}$$
The variation of F with distance r from the centre is as shown in the adjacent figure.

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Gravitation

Which one of the following plots represents the variation of gravitiational field on a particle with distance r due to a thin spherical shell of radius R? (r is measured from the centre of the spherical shell)

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