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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 radioactive substance has a half-life of four months. Three-fourth of substance
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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 radioactive substance has a half-life of four months. Three-fourth of substance
- A astronomical telescope has objective and eye-piece of focal lengths
- The term liquid crystal refers to a state that is intermediate between
- The magnetic flux linked with a circuit of resistance 100Ω increases from 10 to 60 Wb.
- Two balls of mass m₁ and m₂ are separated from each other by powder charge
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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