A vehicle is moving with uniform speed along horizontal, concave and convex surface roads. The surface on which, the normal reaction on the vehicle is maximum is
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a
CONCAVE
b
CONVEX
c
HORIZONTAL
d
SAME AT ALL THE SURFACES
answer is A.
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Detailed Solution
ON a concave surface or in a dip NORMAL REACTION N = Mg + M V2R Where M is the mass of the vehicle and R is the radius of the surface.