Home
Class 12
PHYSICS
A simple pendulum of mass m and length L...

A simple pendulum of mass m and length L is held in horizontal position. If it is released from this position, then find the angular momentum of the bob about the point of suspension when it is vertically below the point of suspension.

A

`mLsqrt(2gL)`

B

`mLsqrt(gL)`

C

`mLsqrt(3gL)`

D

none

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN |Exercise Basic Maths (GRAVITATION)|25 Videos
  • RACE

    ALLEN |Exercise Basic Maths (Properties of Matter & Fluid Mechanics)(Elasticity)|20 Videos
  • RACE

    ALLEN |Exercise Basic Maths (COLLISION AND CENTRE OF MASS )|12 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 pendulum shown in the figure is kept horizontal. It is released from this positions. What is its velocity when it reaches the lowest position? (g=9.8ms^(-2))

In space of horizontal EF (E = (mg)//q) exist as shown in figure and a mass m is released at the end of a light rod. If mass m is releases from the position shown in figure find the angular velocity of the rod when it passes through the bottom most position .

Find the time period of mass M when displaced from its equilibrium position and then released for the system shown in figure. .

A particle of mass m has been thrown with intial speed u making angle theta with the horizontal ground. Find the angular momentum of the projectile about an axis perpendicular to the plane and passing through the point of projection when the projectile is (a) At the highest point (b) About to hit the ground

A chain of mass M and length L is held vertical by fixing its upper end to a rigid support. The tension in the chain at a distance y from the rigid support is:

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?

A simple pendulum of bob of mass m and length L has one of its ends fixed at the centre O of a vertical circle, as shown in the figure. If 0=60^(@) at the point P , the minimum speed u that should be given to the bob so that it completes vetical circle is

A uniform rod of mass m and length l rotates in a horizontal plane with an angular velocity omega about a vertical axis passing through one end. The tension in the rod at a distance x from the axis is

A particle of mass m is projected with speed u at an angle theta with the horizontal. Find the torque of the weight of the particle about the point of projection when the particle is at the highest point.

ALLEN -RACE-Basic Maths (ROTATIONAL MOTION)
  1. Figure shows a rigid rod of length 1.0 m. It is pivoted at O. For what...

    Text Solution

    |

  2. A particle is moving along a straight line parallel to x-axis with con...

    Text Solution

    |

  3. A simple pendulum of mass m and length L is held in horizontal positio...

    Text Solution

    |

  4. A particle is rotating in circle with uniform speed . The angular mome...

    Text Solution

    |

  5. A particle of mass m is moving with constant speed v on the line y=b i...

    Text Solution

    |

  6. A particle is moving along a straight line with increasing speed. Its ...

    Text Solution

    |

  7. If radius of earth suddenly contracts by half of its initial value kee...

    Text Solution

    |

  8. Due to global warming, ice on polar caps is likely to melt in large qu...

    Text Solution

    |

  9. A disc of mass 1 kg and radius 0.1 m is rotating with angular velocity...

    Text Solution

    |

  10. A metre stick is pivoted about its centre. A piece of wax of mass 20 g...

    Text Solution

    |

  11. Two discs of moment of inertia I(1) and I(2) and angular speeds omega(...

    Text Solution

    |

  12. A particle of mass m has been thrown with intial speed u making angle ...

    Text Solution

    |

  13. An angular impulse of 20 Nms is applied to a hollow cylinder of mass 2...

    Text Solution

    |

  14. Choose the correct statement.

    Text Solution

    |

  15. A thin uniform circular ring is rolling down an inclined plane of incl...

    Text Solution

    |

  16. A solid sphere is thrown up a rough incline. The sphere rolls up witho...

    Text Solution

    |

  17. Two solid spheres of different mass, radii and denisty roll down a rou...

    Text Solution

    |

  18. A thin circular ring first slips down a smooth incline then rolls down...

    Text Solution

    |

  19. A solid sphere is rolling without slipping on a level surface dat a co...

    Text Solution

    |

  20. When a body is under pure rolling, the fraction of its total kinetic e...

    Text Solution

    |