Home
Class 9
PHYSICS
A boy is whirling a stone tied with a st...

A boy is whirling a stone tied with a string in a horizontal circular path. When the string breacks, the stone

A

Will continue to move in the circular parth

B

Will move along a straight line towards the centre of the circular parth

C

Will move along a straight line tangential to the circular path

D

Will move along a straight line perpendicular to circular path aways from the boy

Text Solution

Verified by Experts

The correct Answer is:
C

In circular motion, the direction of velocity at a point is always along the tangent at that point. If string breaks, then the centripetal force acting on the stone becomes zero and it will move along a straight line tanential to circular parth.

where `V_(A),V_(B),V_(C),V_(D)` are the velocities point A,B,C,D in circular path.
Promotional Banner

Topper's Solved these Questions

  • FORCE AND LAW OF MOTION

    NCERT EXEMPLAR|Exercise Force And Law Of Motion|20 Videos
  • MOTION

    NCERT EXEMPLAR|Exercise Short Answer Type Questions|1 Videos

Similar Questions

Explore conceptually related problems

A stone is tied to the end of a string of length 1 and whirled in a horizental circle. When the string breaks then stone

A stone is tied with a string and is rotated in a circle horizontally. When the string suddenly breaks, the stone will move

A rubber band of length l has a stone of mass m tied to its one end. It is whirled with speed v so that the stone describes a horizontal circular path. The tension T in the rubber band is -

A stone tied to a string is whirled in a circle. As it is revolving, the rope suddenly breaks. Then

A particle tied with a string is whirled along a vertcial circle.

A stone tied at the end of string is whirled in a circle. If the string break, the stone flies away tangentially . Why ?

NCERT EXEMPLAR-GRAVITATION-Gravitation
  1. The value of acceleration due to gravity

    Text Solution

    |

  2. The gravitational force between two object is F. It masses of both obj...

    Text Solution

    |

  3. A boy is whirling a stone tied with a string in a horizontal circular ...

    Text Solution

    |

  4. An object is put one by one in three liquids having different densitie...

    Text Solution

    |

  5. In the relation F=G M m//d^(2), the quantity G

    Text Solution

    |

  6. Law of gravitation gives the gravitational force between

    Text Solution

    |

  7. The value of quantity of G in the law of gravitation

    Text Solution

    |

  8. Two particles are placed at some distance. If the mass of each of the ...

    Text Solution

    |

  9. The atmosphere is held to the earth by

    Text Solution

    |

  10. The force of attraction between two unit point masses separted by a un...

    Text Solution

    |

  11. The weight of an object at the centre of the earth of radius R is

    Text Solution

    |

  12. An object weighs 10 N in air. When immessed fully in liquid, it weighs...

    Text Solution

    |

  13. A brick stands on a box having 60 cm length, 40 cm breadth and 20 cm w...

    Text Solution

    |

  14. An apple falls from a tree because of gravitational between the earth ...

    Text Solution

    |

  15. What is the source of centripetal force that a planet requires to revo...

    Text Solution

    |

  16. On the earth, a stone is thrown from a height in a direction parallel ...

    Text Solution

    |

  17. Suppose gravity of earth suddenly become zero, then in which direction...

    Text Solution

    |

  18. Identical packets are dropped from two areoplanes, one above the equat...

    Text Solution

    |

  19. The weight of any person on the moon is about 1//6 times that on the ...

    Text Solution

    |

  20. Calculate the average density of earth in terms of g, G and R.

    Text Solution

    |