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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
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Kirchoff’s I law and II laws of electricity prove respectively the
- When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus
- Number of spectral lines in hydrogen atom is
- The magnetic field at the centre of a circular coil carrying current I ampere is B.
- The magnifying power of a telescope is 9. When it is adjusted for parallel rays
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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