Home
Class 12
PHYSICS
The thin rod shown below has mases M and...

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 :

A

3F/2ML

B

2F/36ML

C

F/ML

D

F/2ML

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

A rod PQ of mass M and length L is hinged at end P. The rod is kept horizontal by a massless string tied to point Q as shown in figure. When string is cut, the initial angular acceleration of the rod is

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 :

A system of two identical rods (L-shaped) of mass m and length l are resting on a peg P as shown in the figure. If the system is displaced in its plane by a small angle theta ,find the period of oscillations:

In the diagram shown below, the rod is uniform having mas M and length L. When it is making an angle = 60^(@) the rod is released from the state of rest (and spring in its natural lenth) The rod comes to state of rest when the angle theta reduces to 30^(@) . What should be the initial compression in the spring (when theta = 60^(@)) so that the whole system can remain in the state of rest? (there is no friction between any surfaces)

A rod of mass m and length l is hinged at one of its ends A as shown in figure. A force F is applied at a distance x from A . The acceleration of centre of mass varies with x as -

A uniform rod of length (L) and mass (M) is pivoted at the centre. Its two ends are attached to two springs of equal spring constants (k). The springs are fixed to rigid supports as shown in the figure, and the rod is free to oscillate in the horizontal plane. The rod is free to oscillate in the horizontal plane. The rod is gently pushed through a small angle (theta) in one direction and released. The frequency of oscillation is. ? (##JMA_CHMO_C10_009_Q01##).

A long horizontal rod has a bead which can slide along its length and initially placed at a distance L from one end A of the rod. The rod is set in angular motion about A with constant angular acceleration alpha. if the coefficient of friction between the rod and the bead is mu , and gravity is neglected, then the time after which the bead starts slipping is

A uniform thin rod AB of mass M and length l attached to a string OA of length (l)/(2) is placed on a smooth horizontal plane and rotates with angular velocity omega around a vertical axis through O. A peg P is inserted in the plane in order that on striking it the bar will come exactly to rest

A thin homogeneous rod of mass m and length l is free to rotate in vertical plane about a horizontal axle pivoted at one end of the rod. A small ballof mass m and charge q is attached to the opposite end of this rod. The whole system is positioned in a horizontal electric field of magnitude E=(mg)/(2q) . The rod is released from, shown position from rest. What is the angular acceleration of the rod at the instant of releasing the rod?

In the figure shown S is a large nonconducting sheet of uniform charge density sigma . A rod R of length l and mass 'm' is parallel to the sheet and hinged at its mid point. The linear charge densities on the upper and lower half of the rod are shown in the figure. Find the angular acceleration of the rod just after it is released.

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

    |