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A car is moving in a circular horizontal track of radius 10.0 m with a constant speed of 10.0 ms⁻¹.A plumb bob is suspended from the roof of the car by a light rigid rod of length 1.00m.The angle made by the rod with the track is (take,g = 10 ms⁻²)
Options
(a) 0
(b) 30°
(c) 45°
(d) 60°
Correct Answer:
45°
Explanation:
Angle of banking is tan θ = (mv²/r)/mg
⇒ tan θ = v²/rg
⇒ tan θ = (10)²/(10 x 10) = 1
⇒ θ = 45°
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A steady current of 1.5 amp flows through a copper voltmeter for 10 minutes
- Efficiency of a Carnot engine is 50% when temperature of sink is 500K. In order
- If longitudinal strain for a wire is 0.03 and its poisson’s ratio is 0.5
- Two thin lenses of focal lengths f₁ and f₂ are in contact and coaxial.
- Two balls are dropped from heights h and 2h respectively. The ratio of times
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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