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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 Bohr model of hydrogen atom, the force on the electron depends on the principal
- Periodic time of a satellite revolving above Earth’s surface at a height equal to R,
- The angle of incidence for a ray of light at a refracting surface of a prism is 45⁰.
- Magnetism of a magnet is due to
- A marble block of mass 2 kg lying on ice when given a velocity of 6 m/s is stopped
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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