Home
Class 12
PHYSICS
The minimum velocity (in ms^-1) with whi...

The minimum velocity `(in ms^-1)` with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction0.6 to avoid skidding is

A

60

B

30

C

15

D

25

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • FRICTION

    MBD PUBLICATION|Exercise QUISTION BANK|72 Videos
  • ELECTROMAGNETIC WAVES

    MBD PUBLICATION|Exercise QUESTION BANK|180 Videos
  • GRAVITATION

    MBD PUBLICATION|Exercise QUESTION BANK|219 Videos

Similar Questions

Explore conceptually related problems

Find the maximum velocity with which a driver must drive his car on a flat curved road of radius of curvature 150m and co-efficient of friction 0.6, to avoid skidding of his car.

At what maximum speed a racing car can travel through unbanked curve of radius 50m?The coefficient of friction between tyres of car and road surface is 0.5

What is the minimum force necessary to just slide a box of 150 kg mass on a rough horizontal surface of-coefficient of friction 0.1?

What Is the maximum velocity with which alcohol density 0.8gm/cc and coefficient of viscosity 0.012 poise can flow through a tube of 1 mm radius without turbulent being produced? R=1000

What is the maximum velocity with which an automobile can move round a curved track banked at a angle of 30^@ having a radius of 10sqrt3 m(g=10ms^(-2)) ?

A body moves in a circular path of radius 4m with a velocity of 6 ms^(-1) . Find the angular velocity.

Compute the terminal velocity of rain drop of radius 0.3 mm take coefficient of viscosity of air= 1.83xx10^(-5) poise and density of air 1.3 kg m^(-3) Density of water= 10^3 kg m^(-3) and g =9.8m s^(-2)

MBD PUBLICATION-FRICTION-QUISTION BANK
  1. The minimum velocity (in ms^-1) with which a car driver must traverse ...

    Text Solution

    |

  2. Is it reasonable to expect the coefficient of friction to exceed unity...

    Text Solution

    |

  3. It is known that polishing a surface beyond a certain limit increases ...

    Text Solution

    |

  4. Why do we slip on a muddy road ?

    Text Solution

    |

  5. State whether the following assertion is true or false : When a person...

    Text Solution

    |

  6. Is a large brake on a bicycle wheel more effective than a small one ?

    Text Solution

    |

  7. Why are vehicles provided with wheels and- ball bearing ?

    Text Solution

    |

  8. Comment on the statement ‘friction is necessary evil’.

    Text Solution

    |

  9. It is easier to than push.

    Text Solution

    |

  10. How does a lubricant help in decreasing friction ?

    Text Solution

    |

  11. To slide a heavy box, we generally left it a bit to place a metallic p...

    Text Solution

    |

  12. Why has a horse to pull a cart harder during the first few steps of hi...

    Text Solution

    |

  13. How do we save petrol when the tyres of the motor cycle are fully infl...

    Text Solution

    |

  14. Write down the dimensional formula of force of friction

    Text Solution

    |

  15. Write down the mathematical expression for coefficient of static frict...

    Text Solution

    |

  16. Write down the mathematical expression for coefficient of kinetic fric...

    Text Solution

    |

  17. Write down the mathematical expression for coefficient of static frict...

    Text Solution

    |

  18. What is the slope of the graph attained by plotting of dynamic frictio...

    Text Solution

    |

  19. What is static friction ?

    Text Solution

    |

  20. What is kinetic friction ?

    Text Solution

    |

  21. Discuss the statement “friction is a necessary evil”.

    Text Solution

    |