Home
Class 11
PHYSICS
A mass m hangs with the help of a string...

A mass m hangs with the help of a string wrapped around a pulley on a frictionless bearing. The pulley has mass m and radius R. Assuming pulley to be a perfect uniform circular disc, the acceleration of the mass m, if the string does not slip on the pulley, is

A

g/3

B

(2g)/3

C

(3g)/2

D

g

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Moment of Inertia

    MODERN PUBLICATION|Exercise Example|323 Videos

  • Gravitational potential and potential energy

    MODERN PUBLICATION|Exercise Exercise|17 Videos

  • Motion of Satellites

    MODERN PUBLICATION|Exercise Exercise|25 Videos
MODERN PUBLICATION-Moment of Inertia-Example
  1. A uniform round body of radius R, mass M and moment of inertia I rolls...

    Text Solution

    |

  2. A thin horizontal circular disc is rotating about a vertical axis pass...

    Text Solution

    |

  3. A mass m hangs with the help of a string wrapped around a pulley on a ...

    Text Solution

    |

  4. A pulley of radius 2 m is rotated about its axis by a force F = (20 t-...

    Text Solution

    |

  5. The centre of mass of a system of particles does not depend on

    Text Solution

    |

  6. Three identical spheres each of radius R are placed touching each ooth...

    Text Solution

    |

  7. A rod of length 3m and its mass per unit length is directly proportion...

    Text Solution

    |

  8. Two particle which are initially at rest move towards each other under...

    Text Solution

    |

  9. Two bodies of mass 1 kg and 2 kg have position vectors hat i+ 2 hat j ...

    Text Solution

    |

  10. A solid sphere of radius R is placed on a smooth horizontal surface. A...

    Text Solution

    |

  11. The angle between the vecA and vecB is theta The value of triple produ...

    Text Solution

    |

  12. If the angle between the vectors A and B is theta, the value of the pr...

    Text Solution

    |

  13. If abs(AxxB) =sqrt3 (vecA. vecB), then the value of abs(A+ B) is:

    Text Solution

    |

  14. vecA and vecB are two vectors and is the angle between them. If abs(ve...

    Text Solution

    |

  15. What is the value of linear velocity, if vec omega = 3hat i - 4hat j+ ...

    Text Solution

    |

  16. Find the torque of a force vec F = -3hat i + hat j+ 5hat k acting at t...

    Text Solution

    |

  17. Find the torque of a force vec F = 2hat i - 3hat j+ 4hat k acting poi...

    Text Solution

    |

  18. A couple produces a

    Text Solution

    |

  19. Angular momentum is

    Text Solution

    |

  20. A particle of mass m = 2 kg is moving with a uniform speed 3sqrt2ms^-1...

    Text Solution

    |