Home
Class 11
PHYSICS
A car is travelling along a curved road ...

A car is travelling along a curved road of radius r. If the coefficient of friction between the tyres and the road is `mu` the car will skid if its speed exceeds .

A

`2sqrt(murg)`

B

`sqrt(3murg)`

C

`sqrt(2murg)`

D

`sqrt(murg)`

Text Solution

Verified by Experts

The correct Answer is:
D

`(mv^(2))/(r) = mumg,v_(max) =sqrt(mu_(s)rg`
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise LEVEL -III|31 Videos
  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise NCERT BASED QUESTION|33 Videos
  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise LEVEL -I (C.W)|47 Videos
  • MOTION IN A STRAIGHT LINE

    NARAYNA|Exercise Level 2 H.W|29 Videos
  • OSCILLATIONS

    NARAYNA|Exercise EXERCISE - IV|41 Videos

Similar Questions

Explore conceptually related problems

A car is taking turn on a circular path of radius R. If the coefficient of friction between the tyres and road is mu , the maximum velocity for no slipping is

A motorcycle is travelling on a curved track of radius 500 m. If the coefficient of friction between road and tyres is 0.5, the speed avoiding skidding will be

A car is moving along a straight horizontal road with a speed v_(0) . If the coefficient of friction between the tyre and the road is mu, the shortest distance in which the car can be stopped is.

A car is moving along a straight horizontal road with a speed v_(0) . If the coefficient of friction between the tyres and the road is mu , the shortest distance in which the car can be stopped is

A car has to move on a level turn of radius 45 m. If the coefficient of static friction between the tire and the road is mu_s=2.0, find the maximum speed the car can take without skidding.

The maximum speed of a car which can be safely driven along a curve of radius 10 m , If the coefficient of friction between the tyres and the road is 0.5, is (g=9.8 m//s^(2))

What is the maximum speed with which a car safely turn a around a curved horizontal road of radius 50 m ? [The coefficient of friction between the tyres and the surface of the road is 0.4 ]

A car has to take a safe circular turn on horizontal flat rough road of radius 200 m. If the coefficient of friction between the tyres and road is 0.1 ,then maximum speed of car would be(All are in SI units)

Find the maximum speed at which a car can take turn round a curve of 30 cm radius on a level road if the coefficient of friction between the tyres and the road is 0.4. Take g = 10 ms^(-2) .

A car moves along a horizontal circular road of radius r with constant speed v. The coefficient of friction between the wheels and the road is mu . Which of the following statement is not true ?

NARAYNA-NEWTONS LAWS OF MOTION-LEVEL -II (C.W)
  1. A block slides down a rough inclined plane of slope angle theta with a...

    Text Solution

    |

  2. The minimum force required to start pushing a body up rough (frictiona...

    Text Solution

    |

  3. The horizontal acceleration that should be given to a smooth inclined ...

    Text Solution

    |

  4. A body is released from the top of a smooth inclined plane of inclinat...

    Text Solution

    |

  5. The force required to move a body up a rough inclined plane is double ...

    Text Solution

    |

  6. A smooth block is released at rest on a 45^(@) incline and then slides...

    Text Solution

    |

  7. The upper half of an inclined plane with inclination phi is perfectly ...

    Text Solution

    |

  8. A 30kg box has to move up an inclined plane of slope 30^(@) the horizo...

    Text Solution

    |

  9. A block weighing 10kg is at rest on a horizontal table. The coefficien...

    Text Solution

    |

  10. Pulling force making an angle theta to the horizontal is applied on a ...

    Text Solution

    |

  11. A block of mass sqrt3 kg is kept on a frictional surface with mu =(1)/...

    Text Solution

    |

  12. A car is moving in a circular horizonta track of radius 10m with a con...

    Text Solution

    |

  13. A vehicle in moving with a velocity v on a carved total of width b and...

    Text Solution

    |

  14. The centripetal force required for a 1000 kg car travelling at 36kmph...

    Text Solution

    |

  15. A small coin is placed on a flat horizontal turn table. The turn table...

    Text Solution

    |

  16. A particle of mass m is suspended from a ceiling through a string of l...

    Text Solution

    |

  17. Three point masses each of mass m are joined together using a string t...

    Text Solution

    |

  18. A steel wire can withstand a load up to 2940N. A load of 150 kg is sus...

    Text Solution

    |

  19. A car is travelling along a curved road of radius r. If the coefficien...

    Text Solution

    |

  20. A boy of mass 50kg is standing on a weihing machine placed on the floo...

    Text Solution

    |