Home
Class 11
PHYSICS
A string of negligible thicknes is wrapp...

A string of negligible thicknes is wrapped several times around a cylinder kept on a rough horizontal surface. A man standing at a distance l from the cylinder holds one end of the sitting an pulls the cylinder towards him figure. There is no slipping anywhere. The length of the string passed through the hand of the man whicle the cylinder reaches his hands is

A

l

B

2l

C

3l

D

4l

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MECHANICS

    HC VERMA ENGLISH|Exercise Objective -2|14 Videos

  • ROTATIONAL MECHANICS

    HC VERMA ENGLISH|Exercise Exercises|86 Videos

  • ROTATIONAL MECHANICS

    HC VERMA ENGLISH|Exercise worked out Examples|29 Videos

  • REST AND MOTION : KINEMATICS

    HC VERMA ENGLISH|Exercise Question for short Answer|13 Videos

  • SIMPLE HARMONIC MOTION

    HC VERMA ENGLISH|Exercise Question for short Answer|15 Videos
HC VERMA ENGLISH-ROTATIONAL MECHANICS-Objective -1
  1. A body is rotating anonuniformly abut a vertical axis fixed in an iner...

    Text Solution

    |

  2. Let vecF be the force acting on a particle having position vector vec...

    Text Solution

    |

  3. One end of a uniform rod of mas m and length l is clamped. The rod lie...

    Text Solution

    |

  4. A uniform rod is kept vertically on a horizontally smooth surface at ...

    Text Solution

    |

  5. A circular disc A of radius r is made from an iron plate of thickness ...

    Text Solution

    |

  6. Equal torques asct on the discs A and B of theh previous problem, init...

    Text Solution

    |

  7. A closed cylindrical tube containing some water (not filling the entir...

    Text Solution

    |

  8. The moment of inertia of a uniform semicircular wire of mass 'M' and r...

    Text Solution

    |

  9. Let I1 and I2 be the moments of inertia of two bodies of identical ge...

    Text Solution

    |

  10. A body having its centre of mass at the origin has three of its partic...

    Text Solution

    |

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

    Text Solution

    |

  12. A thin circular ring of mass M and radius r is rotating about its axis...

    Text Solution

    |

  13. A man is sitting on a rotating stool with his arms outstretched. If su...

    Text Solution

    |

  14. The center of a wheel rolling on a plane surface moves with a speed v0...

    Text Solution

    |

  15. A wheel of radius 20 cm is pushed ot move it on a rough horizontal sur...

    Text Solution

    |

  16. The angular velocity of the engine (and hence of the wheel) on a scoot...

    Text Solution

    |

  17. A solid sphere, a hollow sphere and a disc, all having the same mass a...

    Text Solution

    |

  18. A solid sphere, a ring and a disc all having same mass and radius are ...

    Text Solution

    |

  19. In the previous question the smallest kinetic energy at the bottom of ...

    Text Solution

    |

  20. A string of negligible thicknes is wrapped several times around a cyli...

    Text Solution

    |