If the earth suddenly shrinks (without changing mass) to half of its present radius, the acceleration due to gravity will be
If the earth suddenly shrinks (without changing mass) to half of its present radius, the acceleration due to gravity will be
$g/2$
$4g$
$g/4$
$2g$
If the earth suddenly shrinks (without changing mass) to half of its present radius, the acceleration due to gravity will be
$g = \frac{{GM}}{{{R^2}}}.$ If radius shrinks to half of its present value then $g$ will becomes four times.
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