If the overbridge is concave instead of be

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If the overbridge is concave instead of being convex, the thrust on the road at the lowest position will be

$mg + \frac{{m{v^2}}}{r}$

$mg - \frac{{m{v^2}}}{r}$

$\frac{{{m^2}{v^2}g}}{r}$

$\frac{{{v^2}g}}{r}$

If the overbridge is concave instead of being convex, the thrust on the road at the lowest position will be

Thrust at the lowest point of concave bridge
= $mg + \frac{{m{v^2}}}{r}$

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