Home
Class 11
PHYSICS
A 100 g weight is tied at the end of a s...

A 100 g weight is tied at the end of a string and whirled around in horizontal circle of radius 15 cm at the rate of 3 revolutions per second. What is the tension in the string?

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
SL ARORA-Laws of Motion-Exercise
  1. A particle of mass 21 g attached to a string of 70 cm length is whirle...

    Text Solution

    |

  2. A stone of mass 4 kg is attached to a string of 10 m length and is whi...

    Text Solution

    |

  3. A 100 g weight is tied at the end of a string and whirled around in ho...

    Text Solution

    |

  4. A gramophone disc rotates at 60 rpm. A coin of mass 18 g is placed at ...

    Text Solution

    |

  5. A ball of mass 100 g is suspended by a string 40 cm long. Keeping the ...

    Text Solution

    |

  6. Find the maximum speed at which a car can take turn round a curve of 3...

    Text Solution

    |

  7. What should be the coefficient of friction between the tyres and the r...

    Text Solution

    |

  8. The mass of a bicycle rider along with the bicycle is 100 kg. he wants...

    Text Solution

    |

  9. A cyclist riding at a speed of 14sqrt(3) ms^(-1) takes a turn around a...

    Text Solution

    |

  10. A cyclist speeding at 6ms^(-1) in a circle of 18 m radius makes an ang...

    Text Solution

    |

  11. A motor cyclist goes round a circular race course of diameter 320 m at...

    Text Solution

    |

  12. An aeroplane travelling at a speed of 500 km h^(-1) tilts at an angle ...

    Text Solution

    |

  13. For traffic moving at 60 kmh^(-1), if the radius of the curve is 0.1 k...

    Text Solution

    |

  14. A railway carriage has its CG at a height of 1 m above the rails , whi...

    Text Solution

    |

  15. A curve in a road forms an arc of radius 800 m. If the road is 19.6 m ...

    Text Solution

    |

  16. A trains has to negotiate a curve of radius 400 m. By how much should ...

    Text Solution

    |

  17. A 2000 kg car has to go over a turn whose radius is 750 m and the abgl...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |