Home
Class 11
PHYSICS
When a mass is rotating in a plane about...

When a mass is rotating in a plane about a fixed point its angular momentum is directed along

A

the radius

B

the tangent to orbit

C

line at an anlage of `45^(@)` to the plane of rotation

D

the axis of rotation

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • COMPETITION CARE UNIT

    ICSE|Exercise GRAVITATION |25 Videos

  • COMPETITION CARE UNIT

    ICSE|Exercise PROPERTIES OF MATTER (ELASTICITY ) |22 Videos

  • COMPETITION CARE UNIT

    ICSE|Exercise UNIFORM CIRCULAR MOTION |25 Videos

  • CIRCULAR MOTION

    ICSE|Exercise MODULE 2 (FROM ROTATIONAL KINETIC ENERGY , WORK ,POWER)|24 Videos

  • DIMENSIONS

    ICSE|Exercise SELECTED PROBLEMS (FROM CONVERSIONS OF ONE SYSTEMS OF UNITS INTO ANOTHER)|9 Videos

Similar Questions

Explore conceptually related problems

A particle of mass m is rotating in a plane in circular path of radius r . Its angular momentum is L . The centripetal force acting on the particle is

A particle attached to a string is rotating with a constant angular velocity and its angular momentum is L. If the string is halved and angular velocity is kept constant, the angular momentum will be

A thin uniform circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to its plane with an angular velocity omega . Another disc of same dimensions but of mass (1)/(4) M is placed gently on the first disc co-axially. The angular velocity of the system is

A uniform sphere of radius 0.25 m and mass 2 kg rotates about its diameter. What is the angular momentum when the angular speed is 5 rad/s ?

Angular momentum of a planet about the point of it's apogee is

A rod of mass m and length l is rotating about a fixed point in the ceiling with an angular velocity omega as shown in the figure. The rod maintains a constant angle theta with the vertical. What is the rate of change of angular momentum of the rod ?

Assertion : If a particle is rotating in a circle, then angular momentum about centre is mvR Reason : In circular motion, angular momentum about centre is always constant.

Many great rivers flow toward the equator. The sediments that they carry, increases the time of rotation of the earth about its own axis. The angular momentum of the earth about its rotation axis is conserved.

A thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity omega . If two objects each of mass m be attached gently to the opposite ends of a diameter of the ring, the ring will then rotate with an angular velocity

A thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity omega . If two objects each of mass m be attached gently to the opposite ends of a diameter of the ring, the ring will then rotate with an angular velocity

ICSE-COMPETITION CARE UNIT-UNIFORM CIRCULAR MOTION (ROTATIONAL MOTION AND MOMENT OF INERTIA )
  1. A mass is revolving in a circle which is in the plane of paper. The di...

    Text Solution

    |

  2. When a mass is rotating in a plane about a fixed point its angular mom...

    Text Solution

    |

  3. IN a retangle ABCD (BC = 2AB). The moment of inertia along which aix...

    Text Solution

    |

  4. IN which case use of angular velocity is useful

    Text Solution

    |

  5. The moment of inertia of a body about a given axis is 1.2 kg xx " metr...

    Text Solution

    |

  6. The position of center of mass of a system of particles does not depen...

    Text Solution

    |

  7. A solid cylinder of mass M and radius R rolls down an inclined plane w...

    Text Solution

    |

  8. The moment of inertia of a hoop of radius R and mass M, about any tang...

    Text Solution

    |

  9. The torque acting on a body is the rotational, analogue of

    Text Solution

    |

  10. The ratio rotational and translational kinetic energies of a sphere is

    Text Solution

    |

  11. Let g be the acceleration due to gravity at the earth's surface and K ...

    Text Solution

    |

  12. A body is rolling without slipping on a horizontal plane. If the rotat...

    Text Solution

    |

  13. If the moment of inertion of a disc about an axis tangentially and par...

    Text Solution

    |

  14. Three point masses each of mass m are placed at the corners of an equi...

    Text Solution

    |

  15. A flywheel rotating about a fixed axis has a kinetic energy of 360J wh...

    Text Solution

    |

  16. Two spheres of masses 2 M and M are intially at rest at a distance R a...

    Text Solution

    |

  17. A wheel is rotating at 900 rpm about its axis. When the power is cut o...

    Text Solution

    |

  18. Two bodies of masses m(1) and m2 (m1 gt m2) respectively are tied to ...

    Text Solution

    |

  19. A thin circular ring of mass M and radius r is rotating about its axis...

    Text Solution

    |

  20. Two particles A and B intiallly at rest, move towards each other under...

    Text Solution

    |