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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: - The valence band and the conductance band of a solid overlap at low temperature
- Pick out the statement ehich is incorrect?
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The valence band and the conductance band of a solid overlap at low temperature
- Pick out the statement ehich is incorrect?
- If the temperature of the sun were to increase from T to 2T and its radius from R and 2R
- The height at which the weight of a body becomes 1/16 th, its weight
- A thin glass(refractive index 1.5) lens has optical power of -5D in air.
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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