Home
Class 12
PHYSICS
A block B is pushed momentarily along a ...

A block `B` is pushed momentarily along a horizontal surface with an initial velocity `v` . If mu is the coefficient of sliding friction between `B` and the surface, block `B` will come to rest after a time:

A

`(v)/(gmu)`

B

`(gmu)/(v)`

C

`(g)/(v)`

D

`(v)/(g)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • HEAT AND THERMODYNAMICS

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise PHYSICS|117 Videos
  • MAGNETIC EFFECT OF CURRENT

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Exercise|55 Videos

Similar Questions

Explore conceptually related problems

A rectangular block is kept on a rough horizontal surface and given some initial velocity. The coefficient of friction between the block and the surface is constant. The block will topple

A block begins to move on a rough horizontal surface with an initial velocity u. If it loses of its initial kinetic energy in time t, the coefficient of kinetic friction between the block and the surface is

A body is moving along a rough horizontal surface with an initial velocity 6m/s m If the body comes to rest after travelling 9 m , then the coefficient of sliding friction will be

A block of mass 2 kg is given a push for a moment horizontally and then the block starts sliding over a horizontal plane. The graph shows the velocity - time of the motion. The co - efficient of sliding friction between the plane and the block is :

A wooden block of mass M resting on a rough horizontal surface is pulled with a force F at an angle  with the horizontal. If  is the coefficient of kinetic friction between the block and the surface, then acceleration of the block is -

A varying horizental force F = at act on a block of mass m kept on a smooth horizontal surface An identical block is kept on the first block.The coefficient of friction between the blocks is mu . The time after which the relative sliding between the blocks prevails is

A block of mass M is using on a rough horizontal surface. mu_R is the coefficient of kinetic friction between the block and the surface. What is the net force exerted by the surface on the block?

A block of mass m lying on a rough horizontal surface of friction coefficient mu is pulled by a force F as shown , the limiting friction between the block and surface will be

Asseration : A block of mass m starts moving on a rough horizontal surface with a velocity v. It stops due to friction between the block and the surface after moving through a ceratin distance. The surface is now tilted to an angle of 30^@ with the horizontal and same block is made to go up on the surface with the same initial velocity v. The decrease in the mechanical energy in the second situation is small than the first situation. Reason : The coefficient of friction between the block and the surface decreases with the increase in the angle of inclination.

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-LAWS OF MOTION-Physics
  1. The mass of a lift is 2000kg . When the tensioon in the supporting cab...

    Text Solution

    |

  2. Three forces acting on a body are shown in figure. To have the resulta...

    Text Solution

    |

  3. A block B is pushed momentarily along a horizontal surface with an ini...

    Text Solution

    |

  4. A 0.5 kg ball moving with a speed of 12 m//s strikes a hard wall at an...

    Text Solution

    |

  5. A block of mass m is placed on a smooth wedge of inclination theta. T...

    Text Solution

    |

  6. The coefficient of static friction, mu(s) between block A mass 2kg and...

    Text Solution

    |

  7. A monkey of mass 20kg is holding a vertical rope. The rope will not br...

    Text Solution

    |

  8. A man weighs 80kg . He stands on a weighing scale in a lift which is m...

    Text Solution

    |

  9. A lift of mass 100 kg is moving upwards with an acceleration of 1 m//s...

    Text Solution

    |

  10. A block of mass 10kg is placed on a rough horizontal surface having co...

    Text Solution

    |

  11. An object of mass 3 kg is at rest. Now a force of vec F = 6 t^2 hat...

    Text Solution

    |

  12. A player takes 0.1s I catching a ball of mass 150 g moving with veloci...

    Text Solution

    |

  13. A body of mass 1kg initially at rest explodes and breaks into threee f...

    Text Solution

    |

  14. A particle of mass 1 kg is thrown vertically upwards with speed 100 m/...

    Text Solution

    |

  15. Two masses M(1)=5kg,M(2)=10kg are connected at the ends of an inextens...

    Text Solution

    |

  16. A ball of mass 3kg moving with a speed of 100 m/s, strikes a wall at a...

    Text Solution

    |

  17. The force on a rocket moving with a veloctiy 300 m/s is 210N. The rate...

    Text Solution

    |

  18. A 5000 kg rocket is set for vertical firing. The exhaust speed is 800 ...

    Text Solution

    |

  19. A bullet is fired from a gun. The force on the bullet is given by F=60...

    Text Solution

    |

  20. A mass of 1kg is suspended by a thread. It is 1. lifted up with an a...

    Text Solution

    |