Home
Class 12
PHYSICS
Two equal and opposite forces are allpli...

Two equal and opposite forces are allplied tangentially to a uniform disc of mass M and radius R as shown in the figure. If the disc is pivoted at its centre and free to rotate in its plane, the angular acceleration of the disc is :

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN |Exercise Basic Maths (CIRCULAR MOTION)|16 Videos
  • RACE

    ALLEN |Exercise Basic Maths (COLLISION AND CENTRE OF MASS )|12 Videos
  • RACE

    ALLEN |Exercise Basic Maths (FRICTION)|13 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos
  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

The diagram shows a uniform disc of mass M & radius ' a ', if the moment of inertia of the disc about the axis XY is I , its moment of inertia about an axis through O and perpendicular to the plane of the disc is

Prove that moment of inertia of uniform ring of mass M and radius R about its geometric axis is MR^(2)

A half ring of mass m, radius R is hanged at its one end its one end in verical plane and if free to socilalte in its plane. Find oscillations frequency of the half ring.

Two uniform thin rods each of length L and mass m are joined as shown in the figure. Find the distance of centre of mass the system from point O

A disc of the radius R is confined to roll without slipping at A and B. If the plates have the velocities v and 2v as shown, the angular velocity of the disc is

The thin rod shown below has mases M and length L. A force F acts at one end as shown and the rod is free to rotate about the other end in horizontal plane. Initial angular acceleration of the rod is :

The moment of inertia of a uniform semicircular disc of mass M and radius r about a line perpendicular to the plane of the disc through the centre is ………..

A string is hanged to strong support O as shown in figure. It is wrapped to a disc of mass m and radius R at its other end. This string is weightless and unstretchable then find the linear acceleration of centre of mass of disc.

A string is wound around a disc of radius r and mass M and at the free end of the string a body of mass m is suspended. The body is then allowed to descend. Show that the angular accelerationof the disc = (mg)/(R(M+(m)/(2)))

ALLEN -RACE-Basic Maths (WORK POWER & ENERGY)
  1. The position (x) of body moving along x-axis at time (t) is given by ...

    Text Solution

    |

  2. The velocity (v) of a particle of mass m moving along x-axis is given ...

    Text Solution

    |

  3. Force F on the particle of mass 0.1 kg varies with distance x as shown...

    Text Solution

    |

  4. The position (x) of body moving along x-axis at time (t) is given by ...

    Text Solution

    |

  5. A body of mass m, accelerates uniformly from rest to V(1) in time t(1)...

    Text Solution

    |

  6. A car of mass m has an engine which can deliver power P. The minimum t...

    Text Solution

    |

  7. The rate of doing work by force acting on a particle moving along x-ax...

    Text Solution

    |

  8. An object starts from rest and is acted upon by a variable force F as ...

    Text Solution

    |

  9. Which of the following force is not conservative :-

    Text Solution

    |

  10. A disc of mass m and radius r is free to rotate about its centre as sh...

    Text Solution

    |

  11. A particle of mass m is projected with speed u at an angle theta with ...

    Text Solution

    |

  12. A cubical block of mass m and edge a slides down a rough inclned plane...

    Text Solution

    |

  13. The torque of force vecF=-2hati+2hatj+3hatk acting on a point vecr=hat...

    Text Solution

    |

  14. torque of a force of megnitude 20 N acting along positive x direction ...

    Text Solution

    |

  15. A disc is rotating with angular velocity omega. A force F acts at a po...

    Text Solution

    |

  16. When a torque acting upon a system is zero, which of the following wil...

    Text Solution

    |

  17. The thin rod shown below has mases M and length L. A force F acts at o...

    Text Solution

    |

  18. Two equal and opposite forces are allplied tangentially to a uniform d...

    Text Solution

    |

  19. A wheel having moment of inertia 4 kg m^(2) about its axis, rotates at...

    Text Solution

    |

  20. For equilibrium of the system, value of mass m should be :-

    Text Solution

    |