Home
Class 11
PHYSICS
A particle is moving in a circle of radi...

A particle is moving in a circle of radius R with constant speed v, if radius is double then its centripetal force to keep the same speed should be

A

Double

B

Halved

C

Quadrupled

D

unchanged

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MOTION IN ONE DIMENSION

    ERRORLESS |Exercise Motion In One Dimension|24 Videos

  • NEWTONS LAWS OF MOTION

    ERRORLESS |Exercise Self Evaluation Test|16 Videos

Similar Questions

Explore conceptually related problems

A particle is moving in a circle with a constant speed. Its moving is

If a particle covers half the circle of radius R with constant speed then

If the body is moving in a circle of radius r with a constant speed v , its angular velocity is

A particle is moving in a circle of radius R with constant speed. The time period of the particle is T. In a time t=(T)/(6) Average speed of the particle is ……

A body of mass m is movinng in a circlee off radius r with a constant speed v. the work done by the centripetal force in moving the body over half the circumference of the circle is

If a particle is moving along a circle of radius 3 m with a constant speed 9 m//s , then it covers a quarter of the circle in time of

If a particle moves in a circle of radius r with constant speed under centripetal force F, then the work done in completing full circle will be ,

A Particle of mass 'M' moves in a uniform circular path of radius 'r' with a constant speed 'v' then its centripetal acceleration is .

ERRORLESS -MOTION IN TWO DIMENSION-Exercise
  1. In 1.0 s, a particle goes from point A to point B , moving in a semici...

    Text Solution

    |

  2. Three identical particles are joined together by a thread as shown in ...

    Text Solution

    |

  3. A particle is moving in a circle of radius R with constant speed v, if...

    Text Solution

    |

  4. A stone tied to the end of string 1m long is whirled in a horizontal c...

    Text Solution

    |

  5. A particle describes a horizontal circle in a conical funne whoses inn...

    Text Solution

    |

  6. What is angular velocity of earth spinning around its own axis ?

    Text Solution

    |

  7. If the length of the second's hand in a stop clock is 3 cm the angular...

    Text Solution

    |

  8. In a circus stuntman rides a motorbike in a circular track of radius R...

    Text Solution

    |

  9. A block of mass m at the end of a string is whirled round in a vertica...

    Text Solution

    |

  10. A sphere is suspended by a thread of length l. What minimum horizontal...

    Text Solution

    |

  11. A bottle of soda water is rotated in a vertical circle with the neck h...

    Text Solution

    |

  12. A bucket tied at the end of a 1.6m long string is whirled in a verticl...

    Text Solution

    |

  13. A wheel is subjected to uniform angular acceleration about its axis. I...

    Text Solution

    |

  14. A 1kg stone at the end of 1m long string is whirled in a vertical circ...

    Text Solution

    |

  15. A cane filled with water is revolved in a vertical circle of radius 4 ...

    Text Solution

    |

  16. A 2 kg stone at the end of a string 1 m long is whirled in a vertical...

    Text Solution

    |

  17. A body is allowed to slide down a frictionless track from rest positio...

    Text Solution

    |

  18. A car is moving with speed 30m//sec on a circular path of radius 500 m...

    Text Solution

    |

  19. The string of pendulum of length l is displaced through 90^(@) from th...

    Text Solution

    |

  20. A weightless thread can support tension up to 30N.A particle of mass 0...

    Text Solution

    |