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प्रश्न
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
विकल्प
increases
decreases
remains the same
fluctuates.
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उत्तर
The normal force on the motorcycle , \[\text{N = mg}\cos\theta - \frac{\text{mv}^2}{R}\]
As the motorcycle is ascending on the overbridge, θ decreases (from \[\frac{\pi}{2}\] to 0).
So, normal force increases with decrease in θ.
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