Q. 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
Explanation
(a) $R = mg\cos\theta - \frac{mv^{2}}{r}$
When $\theta$ decreases $\cos\theta$ increases $i.e.,$ $R$ increases
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.