Home
Class 12
PHYSICS
A solid cylinder of mass 50 kg and radiu...

A solid cylinder of mass `50 kg` and radius `0.5 m` is free to rotate about the horizontal axis. A massless string is wound round the cylinder with one end attached to it and other end hanging freely. Tension in the string required to produce an angular acceleration of `2` revolution `s^(-2)` is

A

`25 N`

B

`50 N`

C

`78.5 N`

D

`157 N`

Text Solution

Verified by Experts

The correct Answer is:
d
Promotional Banner

Topper's Solved these Questions

  • RE-NEET 2024

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Question|50 Videos

  • SOLID AND SEMICONDUCTOR DEVICES

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Exercise|105 Videos

Similar Questions

Explore conceptually related problems

A cylinder of mass 50 mg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound round the cylinder with one end attached to it and other hanging freely. Tension in the string required to produce an angular acceleration of 2 revolutions s^-2 is

A solid cylinder of mass 10 kg and radius 20 cm is free to rotate about its axis. It receives an angular impulse of 4 kgm^(2)rad//s . What is the angular speed of the cylinder if the cylinder is initially at rest ?

An solid cylinder of mass 20 kg and radius 20 cm rotates about its axis with a angular speed 100 rad s^-1 . The angular momentum of the cylinder about its axis is.

A lightstring is wound round a cylinder and carries a mass tied to it at the free end. When the mass is released, calculate the tension in the string. Show that the acceleration of the mass is less than g.

A bucket of mass 8 kg is supported by a light rope wound around a solid wooden cylinder of mass 12 kg and radius 20 cm , free to rotate about its axis. A man holding the free end of the rope with the bucket and the cylinder at rest initially, lets go the bucket freely downward in a well 50 m deep. Neglecting friction, obtain the speed of bucket and angualr speed of the cylinder just before the bucket enters water. Take g = 10 m//s^(2) .

A soild cylinder of mass 2 kg and radius 0.2 m is rotating about its owm axis without friction with an angular velocity of 3 rad s^(-1) . Angular momentum of the cylinder is

A rope is wound round a hollow cylinder of mass 5 kg and radius 0.5m. What is the angular acceleration of the cylinder if the rope is pulled with a force of 20 Ngt

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-ROTATIONAL MOTION-Exercise
  1. Point masses m(1) and m(2) are placed at the opposite ends of a rigid ...

    Text Solution

    |

  2. An autmobile moves on road with a speed of 54 km//h. The radius of its...

    Text Solution

    |

  3. A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate abou...

    Text Solution

    |

  4. The ratio of the accelerations for a solid sphere (mass m, and radius ...

    Text Solution

    |

  5. A rod PQ of mass M and length L is hinged at end P. The rod is kept ho...

    Text Solution

    |

  6. A small object of uniform density rolls up a curved surface with an in...

    Text Solution

    |

  7. When a mass is rotating in a plane about a fixed point, its angular mo...

    Text Solution

    |

  8. Two persons of masses 55 kg and 65 kg respectively are at the opposite...

    Text Solution

    |

  9. O is the centre of an equilateral triangle ABC. F(1), F(2) and F(3) ar...

    Text Solution

    |

  10. A particle moves in a circle of radius 5 cm with constant speed and ti...

    Text Solution

    |

  11. The instantaneous angular position of a point on a rotating wheel is g...

    Text Solution

    |

  12. The moment of inertia of a thin uniform rod of mass M and length L abo...

    Text Solution

    |

  13. A circular disc of moment of inertia I(t) is rotating in a horizontal...

    Text Solution

    |

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

    Text Solution

    |

  15. A gramphone record is revolving with an angular velocity omega. A coin...

    Text Solution

    |

  16. Four identical thin rods each of mass M and length l, from a square fr...

    Text Solution

    |

  17. Two bodies of mass 1 kg and 3 kg have position vectors hat i+ 2 hat j ...

    Text Solution

    |

  18. A thin circular ring of mass M and radius R is rotating in a horizonta...

    Text Solution

    |

  19. If vec F is the force acting in a particle having position vector vec ...

    Text Solution

    |

  20. A thin rod of length L and mass M is bent at its midpoint into two hal...

    Text Solution

    |