A motorcycle is going on an overbridge of radius R . The driver maintains a constant speed. As the motorcycle is ascending on the overbridge, the normal force on it
Options:
A .  Increases
B .  Decreases
C .  Remains the same
D .  Fluctuates
Answer: Option A : A R = mg cos θ - mv2r when θ decreases cos θ increases i.e.,R increases.
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