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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)
Related Questions: - The self-inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source,
- The difference in the variation of resistance with temperature in a metal
- Two waves of same amplitude superpose. The resultant intensity is I₁
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The self-inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source,
- The difference in the variation of resistance with temperature in a metal
- Two waves of same amplitude superpose. The resultant intensity is I₁
- Kirchoff’s I law and II laws of electricity prove respectively the
- If a steel wire of length l and magnetic moment M is bent into a semicircular arc,
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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