The acceleration due to gravity is $g$ at a point distant $r$ from the centre of earth of radius $R$. If $r < R$, then
The acceleration due to gravity is $g$ at a point distant $r$ from the centre of earth of radius $R$. If $r < R$, then
$g \propto r$
$g \propto {r^2}$
$g \propto {r^{ - 1}}$
$g \propto {r^{ - 2}}$
The acceleration due to gravity is $g$ at a point distant $r$ from the centre of earth of radius $R$. If $r < R$, then
Inside the earth $g' = \frac{4}{3}\pi \rho Gr$
$g' \propto r$
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