Home
Class 12
PHYSICS
A marble block of mass 2 kg lying on ice...

A marble block of mass 2 kg lying on ice when given a velocity of `6 m//s` is stopped by friction in 10 s. Then the coefficient of friction is -

A

0.02

B

0.03

C

0.04

D

0.06

Text Solution

Verified by Experts

The correct Answer is:
D
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

A cricket ball is rolled on ice with a velocity of 5.6 m/s and comes to rest after travelling 8 m. Find the coefficient of friction Given g=9.8m//s^2 .

A body of mass 2 kg is dragged with a velocity of 2 m/s on a rough horizontal plane. The coefficient of friction between the body and the surface is 0.10. Calculate the amount of heat generated in 5 sec (J=4.2"joule"//calandg=9.8m//s^2)

A lift is moving upwards with a uniform velocity v in which a block of mass m is lying: The frictional force offered by the block when the coefficient of friction is mu will be

A 50 kg block rests on a rough horizontal surface. A force of 200 N is applied on the body. The block acquires a speed of 4 m//s , starting from rest in 2 seconds. The value of coefficient of friction is

A force of 100 gm wt. is required to pull a body weighing 1 kg over ice. The coefficient of friction is

A body of mass 2 kg moving with a velocity of 6 m/s strikes inelastically another body of same mass at rest . The amount of heat evolved during collision is

A block of mass 10 kg kept on a rough horizontal surface can be maintained in uniform motion in a straight line when the force of 50 N is applied to the body in the direction of it’s motion. Find the coefficient of kinetic friction between the surfaces.；

A cricket ball of mass 250 g collides with a bat with velocity of 10 m/s and returns with the same velocity in 0.01s. The force acting on the bat is

If mu_s =coefficient of static or limiting friction and mu_k =coefficient of kinetic friction, then

A bomb explodes into two pieccs of masses 4 kg and 8 kg. The velocity of 8 kg mass is 6 m/s. The KE of the other mass

MBD PUBLICATION-FRICTION-QUISTION BANK
  1. A marble block of mass 2 kg lying on ice when given a velocity of 6 m...

    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

    |