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
(a) increases
(b) decreases
(c) remains the same
(d) fluctuates.
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Solution
(a) increases
The normal force on the motorcycle, As the motorcycle is ascending on the overbridge, θ decreases (from to 0). So, normal force increases with decrease in θ.