Home
Class 11
PHYSICS
A child revolves a stone of mass 0 .5 kg...

A child revolves a stone of mass 0 .5 kg tied to the end of a string of length 40 cmin a vertical circle . The speed of the stone at the lowest point of the circle is `3 m//s` Calculate tension in the string at this point.

Promotional Banner

Topper's Solved these Questions

  • Laws of Motion

    SL ARORA|Exercise Exercise|627 Videos
  • Kinetic Theory of gases

    SL ARORA|Exercise Example|47 Videos
  • LAWS OF MOTION : FRICTION

    SL ARORA|Exercise Self Practice|95 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

IF a stone is tied to one end of the string and whirled in verticle circle, then the tension in the string at the lowest point is equal to

A stone of mass 0.2 kg is tied to one end of a string of length 80cm Holding the other end, the stone is wirled into a vertical circle. What is the minimum speed of the stone at the lowest point so that it just completes the circle What is the tension in the string at the lowest point of the circular path ? . (g =10^(-2)) .

A stone of mass of 1 kg is tied to the end of a string 1 m long. It is whirled in a vertical circle. The velocity of the stone at the bottom of the circle is just sufficient to take it to the top of circle without slackening of the string. What is the tension in the string at the top of the circle? (Take, g =10 ms^(-2) )

A stone is fastened to one end of a string and is whirled in a verticla circle of radius R. Find the minimum speed the stone can have at the highest point of the circle.

A stone of mass 0.2 kg is tied to one end of a string of length 80 cm. Holding the other and, the stone is whiled into a vertical circle. The minimum speed of the stone and tension at the lowest point of circular path so that it just comletes the circle are

A stone of mass 250 gram , attached at the end of a string of length 1.25 m is whirled in a horizontal circle at a speed of 5 m/s . What is the tension in the string ?

A stone of mass 100 g attached to a string of length 50 cm is whirled in a vertical circle by giving it a velocity of 7 m/s at the lowest point. Find the velocity at the highest point .

A body of mass 100 gram is tied at the end of a string of length 1m. It is rotated in a vertical circle at a critical speed of 4 m/s at the highest point . The tension in the string at the huighest point in its path is [ take g=10 m//s^(2) ]

SL ARORA-Laws of Motion-Exercise
  1. A body weighing 0.5 kg tied to a string is projected with a velocity o...

    Text Solution

    |

  2. A body weighing 0.5 kg tied to a string is projected with a velocity o...

    Text Solution

    |

  3. A child revolves a stone of mass 0 .5 kg tied to the end of a string o...

    Text Solution

    |

  4. A stone is tied to a weightless string and revolved in a vertical circ...

    Text Solution

    |

  5. A stone is tied to a weightless string and revolved in a vertical circ...

    Text Solution

    |

  6. The railway bridge over a canal is in the form of an arc of a circle o...

    Text Solution

    |

  7. An aeroplane describes a vertical circle when looping. Find the radius...

    Text Solution

    |

  8. A weightless thread can bear tension upto 3.7 kg wt .A stone ...

    Text Solution

    |

  9. No force is required to move a body uniformly along a straight line. C...

    Text Solution

    |

  10. A person sitting in an open car moving at constant velocity throws a b...

    Text Solution

    |

  11. Maximum and minimum values of the resultant of two forces acting at a ...

    Text Solution

    |

  12. If two forces of 5 N each are acting along X and Y axes, then the magn...

    Text Solution

    |

  13. If two forces are acting at a point such that the magnitude of each fo...

    Text Solution

    |

  14. Which of the four arrangements in the figure correctly shows the vecto...

    Text Solution

    |

  15. What is the momentum of a 100000 kg truck whose velocity is 20 m//s ?

    Text Solution

    |

  16. The force acting on a body of mass 10 kg is (2 overset ^i +j -overset ...

    Text Solution

    |

  17. . The mass of a ship is 2 xx 10^7 kg. On applying a force of 25 xx 10^...

    Text Solution

    |

  18. An army vehicle of mass 1000 kg is moving with a velocity of 10 m//s a...

    Text Solution

    |

  19. A particle of mass 4 kg is acted upon by steady force of 4 N.Distance ...

    Text Solution

    |

  20. A body mass 2kg has an initial velocity of 3 metre//sec along OE and i...

    Text Solution

    |