Home
Class 12
PHYSICS
When the angular velocity of a particle ...

When the angular velocity of a particle performing circular motion is decreasing in anticlock wise direction then the direction of angular acceleration will be

A

in the direction of intial angular velocity

B

opposite to the direction of intial angular velocity

C

perpendicular to the direction of intial angular velocity

D

both 'a' and 'c'

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ATOMS, MOLECULES AND NUCLEI

    NIKITA PUBLICATION|Exercise MCQs|443 Videos
  • COMMUNICATION SYSTEMS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Examples for Practice)|8 Videos

Similar Questions

Explore conceptually related problems

The rate change of angular velocity w.r to t in uniform circular motion is a

For a particle performing a uniform circular motion the acceleration is

The infinitesimal angular displacement of a particle performing circular motion is a vetor because its obeys

The frequency of a particle performing circular motion changes from 60 rpm to 180 rpm in 20 s . Then the angular acceleration is

The angular displacement in circular motion is

Motion With Constant Angular Acceleration

A particle performing circular motion with its diameter d and velocity v. Then the angular displacement of the particle in time t is

The angular displacement of a particle performing circular motion is theta=(t^(3))/(60)-(t)/(4) where theta is in radian and 't' is in second .Then the angular velocity and angular acceleraion of a particle at the end of 5 s will be

The direction of the angular velocity vector is along

NIKITA PUBLICATION-CIRCULAR MOTION-Multiple Choice Question
  1. A cycle wheel is rotating with uniform angular velocity omega A graph ...

    Text Solution

    |

  2. If a graph is plotted between angular velocity omega and distance x ...

    Text Solution

    |

  3. When the angular velocity of a particle performing circular motion is ...

    Text Solution

    |

  4. A stone is tied to the end of a string of length 1 and whirled in a ho...

    Text Solution

    |

  5. An aeroplane is taking a turn in a horizontal plane. While doing so,

    Text Solution

    |

  6. If a body moves along circular path of constant radius, then the magni...

    Text Solution

    |

  7. A particle moves along a circle in the plane of the paper clockwise di...

    Text Solution

    |

  8. The speed of revolution of a particle around a circle is halved and it...

    Text Solution

    |

  9. A particle is moving along a circular path. Which of the following sta...

    Text Solution

    |

  10. A particle is performing non UCM, the acceleration of the particle is ...

    Text Solution

    |

  11. A particle moves with uniform speed in a circular path the angle betwe...

    Text Solution

    |

  12. A particle moves with constant angular velocity in a circle. During th...

    Text Solution

    |

  13. A particle moves in a circular orbit under the action of a central att...

    Text Solution

    |

  14. The average acceleration vector for a particle having a uniform circul...

    Text Solution

    |

  15. If a particle covers half the circle of radius R with constant speed t...

    Text Solution

    |

  16. If a(r) and a(t) represent radial and tangential accelerations, the mo...

    Text Solution

    |

  17. Two particles of masses m(1) and m(2) are moving in concentric circle ...

    Text Solution

    |

  18. A particle is moving along a circular path of radius 5 m with uniform ...

    Text Solution

    |

  19. What is the angular displacement of the minute hand in 20 minutes?

    Text Solution

    |

  20. The frequency of a particle performing circular motion changes from 60...

    Text Solution

    |