Laws of Motion - Result Question 60

60. 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 :

[2012M]

(a) μsmRg

(b) Rg/μs

(c) mRg/μs

(d) μsRg

Show Answer

Answer:

Correct Answer: 60. (d)

Solution:

  1. (d) For smooth driving maximum speed of car v then,

mv2R=μsmgv=μsRg

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