A vehicle is moving on a track with constant speed as shown in figure. The apparent weight of the vehicle is
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(b)
at $A N=m g$
at B N-mg $=\frac{m v^2}{r}$
$N=m g+\frac{m v^2}{r}$
at $C$ $m g- N =\frac{m v^2}{r}$
$N=m g-\frac{m v^2}{r}$
So, at $B, N$ is maximum. Hence apparent weight of the vechicle is maximum at $B$
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