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A car of mass m is moving on a level circular track of radius R. If µs represents the static friction between the road and tyres of the car, the maximum speed of the car in circular motion is given by :
Options
(a) √(µsmRg)
(b) √(Rg/µs)
(c) √(mRg/µs)
(d) √(µsRg)
Correct Answer:
√(µsRg)
Explanation:
For smoot h driving maximum speed of car v then
mv² / R = µsmg
v = √(µsRg)
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a pure capacitive A.C circuit, current and voltage differ in phase by
- The molecular weight of a gas is 44. The volume occupied by 2.2 g of this gas
- A particle moves in a straight line with a constant acceleration
- A hemispherical bowl of radius R is rotating about its axis of symmetry
- When a Daniel cell is connected in the secondary circuit of a potentiometer,
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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