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A motor-cyclist drives a motor cycle in a vertical circle. His minimum velocity at the highest point of the circle will be
Options
(a) √2Rg
(b) √3Rg
(c) √Rg
(d) 2Rg
Correct Answer:
√Rg
Explanation:
Frictional force = Centripetal force mg = mv² / R ⇒ v² = mgR / m ⇒ v² = Rg Therefore, minimum velocity v = √Rg
Related Questions: - A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length
- Two wheels having radii in the ratio 1:3 are connected by a common belt
- Across a metallic conductor of non-uniform cross-section, a constant potential
- A block of mass m is placed on a smooth wedge of inclination θ
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length
- Two wheels having radii in the ratio 1:3 are connected by a common belt
- Across a metallic conductor of non-uniform cross-section, a constant potential
- A block of mass m is placed on a smooth wedge of inclination θ
- The unit of electric permittivity is
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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