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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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e=300 sin[(100 π)t] V
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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 polished metal plate has a rough and black-spot. It is heated to 1400 K
- An alternating emf given by equation e=300 sin[(100 π)t] V
- A force of 5 N is acting on an object. Displacement of object is 10 m and the work done
- A man measures time period of a pendulum(T) in stationary lift. If the lift moves upwards
- Angular momentum of the particle rotating with a central force is constant due to
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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