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CGP EDU Academic Team
Published on: September 12, 2026
A car is moving in a circular horizontal track of radius 10 m with a constant speed of 10 m/sec . A plumb bob is suspended from the roof of the car by a light rigid rod of length 1.00 m . The angle made by the rod with track is
Text Solution
Verified by ExpertsThe correct answer is:
C
\(\tan \theta = \frac{v^2/r}{g} = \frac{v^2}{rg}\)
∴ ∴ \(\theta = \tan^{-1} \left( \frac{v^{2}}{rg} \right)\) \(= \tan^{-1} \left( \frac{10 \times 10}{10 \times 10} \right)\)
∴ ∴ \(\theta = \tan^{-1}(1) = 45^{\circ}\)
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