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

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3-2.Motion in Plane

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

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

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

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

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

Solution

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

Standard 11

Physics

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