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MHT CET202019 Oct 2020Morning ShiftPhysicsLaws of MotionActual

A motorcyclist rides in a horizontal circle about central vertical axis inside a cylindrical chamber of radius 'r'. If the coefficient of friction between the tyres and the inner surface of chamber is ' ', the minimum speed of motorcyclist to prevent him from skidding is ( ^ g ^ = . acceleration due to gravity )

Options

  1. Ag r
  2. Br g
  3. Cg r
  4. Dr g

Correct answer

D. r g

Step-by-step solution

A motorcyclist rides in a horizontal circle about central vertical axis inside a cylindrical chamber of radius ' (r ) '. If the coefficient of friction between the tyres and the inner surface of chamber is ' ( ) ', the minimum speed of motorcyclist to prevent him from skidding is ( r g ).

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