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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
- Pressure gradient has the same dimensions as that of
- A body takes 5 minute for cooling from 50⁰C to 40⁰C. Its temperature
- A student performs an experiment to determine the Young’s modulus of a wire
- The magnetic susceptibility of a material of a rod is 299. Permeability of vacuum
- A metal rod of length l cuts across a uniform magnetic field B with a velocity v.
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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