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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 small part of the rim of a fly wheel breaks off while it is rotating at a constant
- An electric dipole of dipole moment p is aligned parallel to a uniform electric field E
- 4 point charges each +q is placed on the circumference of a circle
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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 small part of the rim of a fly wheel breaks off while it is rotating at a constant
- An electric dipole of dipole moment p is aligned parallel to a uniform electric field E
- 4 point charges each +q is placed on the circumference of a circle
- A 220 volt and 1000 watt bulb is connected across a 110 volt mains supply.
- Energy bands in solids are a consequence of
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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