Physics

Physics

Problem

A small test mass is placed at any point

P

inside a thin, uniform spherical shell of radius

R

and mass

M

. The gravitational field intensity at

P

is a)

G\dfrac{M}{R^{2}}

towards the centre b) zero c)

G\dfrac{M}{r^{2}}

towards the centre, where

r=OP

d)

G\dfrac{M r}{R^{3}}

towards the centre

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