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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
- A bicyclist comes to a skidding stop in 10 m.During this process, the force
- A black body at 227⁰C radiates heat at the rate of 7cals/cm²s. At a temperature
- A wire of length 1 m is moving at a speed of 2 ms⁻¹ perpendicular to its length
- For an ideal gas of diatomic molecules
- Which phenomenon best supports the theory that matter has a wave nature?
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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