Home
Class 12
PHYSICS
A light thread is wound on a disk of mas...

A light thread is wound on a disk of mass m and other end of thread is connected to a block of mass m, which is placed on a rough ground as shown in diagram. Find the minimum value of coefficient of friction for which block remain at rest.

A

`(1)/(3)`

B

`(1)/(4)`

C

`(1)/(2)`

D

`(1)/(5)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • 10 ROTATIONAL

    MOTION|Exercise Exercise - 2 (Level -I)|51 Videos
  • 10 ROTATIONAL

    MOTION|Exercise Exercise - 2 (Level - II)|25 Videos
  • 10 ROTATIONAL

    MOTION|Exercise Example 31|1 Videos
  • ALTERNATING CURRENT

    MOTION|Exercise EXERCISE - 4 (LEVEL - II)|14 Videos

Similar Questions

Explore conceptually related problems

A block of mass 1 kg is placed on a wedge shown in figure. Find out minimum coefficient of friction between wedge and block to stop the block on it.

A block of mass M is placed on a rough horizontal surface. It is connected by means of a light inextensible string passing over a smooth pulley . The other end of string is connected to a block of mass m. There is no friction between vertical surface and block m The minimum value of coefficient of friction mu such that system remains at rest , is

A block of mass m is placed on a rough horizontal surface. If minimum force to pull the block is (mg)/(2) then coefficient of friction is :

In the given figure if system is released from rest,then find the minimum value of coefficient of friction such that block A of mass 2m does not move.

Find the minimum force required to keep a block of mass m in equilibrium on a rough inclined plane with inclination alpha and coefficient of friction mu( lt tan alpha) .

A block of mass m is dropped onto a spring of constant k from a height h . The second end of the spring is attached to a second block of mass M as shown in figure. Find the minimum value of h so that the block M bounces off the ground. If the block of mass m sticks to the spring immediately after it comes into contact with it.

A block of mass M= 4 kg of height and breath b is placed on a rough plank of same mass M . A light inextensible string is connected to the upper end of the block and passed through a light smooth pulley as shown in figure. A mass m =1 kg is hung to the other end of the string. a. What should be the minimum value of coefficient of friction between the block and the plank so that, there is no slipping between the block and the wedge? b. Find the minimum value of b//h so that the block does not topple over the plank, friction is absent between the plank and the ground.

MOTION-10 ROTATIONAL-Exercise - 1
  1. A string is would over a cylinder of mass M, radius R and moment of in...

    Text Solution

    |

  2. A uniform rod ABC of mass M is placed vertically on a rough horizontal...

    Text Solution

    |

  3. A light thread is wound on a disk of mass m and other end of thread is...

    Text Solution

    |

  4. A cylinder of mass m is suspended through two strings wrapped around i...

    Text Solution

    |

  5. Determine the point of application of resultant force, when forces act...

    Text Solution

    |

  6. Two uniform solid cylinders, each of mass m = 10 kg and radius r = 150...

    Text Solution

    |

  7. Thread would around cylinder of mass M and radius R. It is allowed to ...

    Text Solution

    |

  8. In the figure shown, a string is wound over a cylinder A. The other en...

    Text Solution

    |

  9. A disc rolls on a table. The ratio of its K.E. of rotation to the tota...

    Text Solution

    |

  10. A disk and a ring of the same mass are rolling to have the same kineti...

    Text Solution

    |

  11. A solid sphere, a hollow sphere and a disc, all having smooth incline ...

    Text Solution

    |

  12. The centre of a wheel rolling without slipping on a plane surface move...

    Text Solution

    |

  13. A wheel of radius r rolling on a straight line, the velocity of its ce...

    Text Solution

    |

  14. If the applied torque is directly proportional to the angular displac...

    Text Solution

    |

  15. A cubical block of mass M and edge a slides down a rougg inclined plan...

    Text Solution

    |

  16. A homogeneous cubical brick lies motion less on a rough inclined surfa...

    Text Solution

    |

  17. A rod AB of length L slides in the XY plane. If the rod makes an angle...

    Text Solution

    |

  18. A uniform cube of side a and mass m rests on a rough horizontal table...

    Text Solution

    |

  19. There is rod of length l. The velocities of its two ends are v(1) and...

    Text Solution

    |

  20. Find the coordinates of IAOR

    Text Solution

    |