Home
Class 11
PHYSICS
Angular momentum of the particle rotatin...

Angular momentum of the particle rotating with a central force is constant due to

A

constant force

B

constant linear momentum

C

zero torque

D

constant torque

Text Solution

Verified by Experts

The correct Answer is:
C
Central force is directed towards a point, therefore torque of the central force is zero.
Promotional Banner

Topper's Solved these Questions

  • PART TEST 6

    RESONANCE ENGLISH|Exercise Exercise|30 Videos

  • SEMICONDUCTORS

    RESONANCE ENGLISH|Exercise Exercise|29 Videos

Similar Questions

Explore conceptually related problems

Assertion : If a particle moves with a constant velocity, then angular momentum of this particle about any point remains constant. Reason : Angular momentum has the units of Plank's constant.

Two particles of mass m each are attached to a light rod of length d, one at its centre and the other at a free end, The rod is fixed at the other end and is rotated in a plane at an angular speed omega . Calculate the angular momentum of the particle at the end with respect to the particle at the centre

Three particles are moving as shown in the figure, Calculate the angular momentum of the third particle C , so that the angular momentum of system about point O becomes zero.

Three particles A, B and C are moving as shown in figure. Calculate the angular momentum of the third particle C so that the angular momentum of system about point O becomes zero

A particle has a linear momentum p and position vector r. the angular momentum of this particle about the origin will not be zero under the conditions

A particle of mass m is moving along the line y=b,z=0 with constant speed v . State whether the angular momentum of particle about origin is increasing. Decreasing or constant.

A particle of mass m is moving along the line y=b,z=0 with constant speed v . State whether the angular momentum of particle about origin is increasing, decreasing or constant.

A particle moves in a circular path with constant speed .Find out a point about which the angular momentum of the particle is constant and another point about which changes with time.

Assertion: The motion of a particle under the central force is always confined to a plane. Reason: Angular momentum is always conserved in the motion under a central force.

Show that the angular momentum about any point of a single particle moving with constant velocity remains constant throughout the motion.

RESONANCE ENGLISH-RIGID BODY DYNAMICS-Exercise
  1. A solid spere is rotating freely about its symmetry axis in free space...

    Text Solution

    |

  2. A 'T' shaped object with dimension shown in the figure, is lying on a ...

    Text Solution

    |

  3. Angular momentum of the particle rotating with a central force is cons...

    Text Solution

    |

  4. A small paricle of mass m is projected at an angle theta with the x-ax...

    Text Solution

    |

  5. S(1): Net torque on a system due to all internal force about any point...

    Text Solution

    |

  6. A rigid body is in pure rotation, that is, undergoing fixed axis rotat...

    Text Solution

    |

  7. A particle falls freely near the surface of the earth. Consider a fixe...

    Text Solution

    |

  8. A particle has a linear momentum p and position vector r. the angular ...

    Text Solution

    |

  9. In the given figure a ball strikes a uniform rod of same mass elastica...

    Text Solution

    |

  10. A disc of circumference s is at rest at a point A on horizontal surfac...

    Text Solution

    |

  11. A hole of radius R/2 is cut from a thin circular plate of raduis R as ...

    Text Solution

    |

  12. A uniform disc of mass m and radius R is rolling up a rough inclined p...

    Text Solution

    |

  13. A uniform cube of side a and mass m rests on a rough horizontal table....

    Text Solution

    |

  14. If radius of the earth contracts to half of its present value without ...

    Text Solution

    |

  15. A disc of mass M and radius R is suspended in a vertical plane by a ho...

    Text Solution

    |

  16. A particle performing uniform circular motion has angular momentum L. ...

    Text Solution

    |

  17. A small ball of radius r rolls down without sliding in a big hemispher...

    Text Solution

    |

  18. A solid iron sphere A rolls down an inclined plane, while another holl...

    Text Solution

    |

  19. A solid sphere and a solid cylinder having the same mass and radius, r...

    Text Solution

    |

  20. A ring, a disc a sphere and spherical shells are simutaneously release...

    Text Solution

    |