The weight of a body at the centre of the earth is
The weight of a body at the centre of the earth is
Zero
Infinite
Same as on the surface of earth
None of the above
The weight of a body at the centre of the earth is
Inside the earth, gravitational force will vary as
$F=\frac{G M \frac{r^{3}}{R^{3}}}{r^{2}}=\frac{G M r}{R^{3}}$
Hence, at $r=0, F=0$
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