Home
Class 12
PHYSICS
A body of mass 1 kg is suspended by a st...

A body of mass 1 kg is suspended by a string 1 m long .The body is rotate in a vertical with a constant speed of `1m//s` . The tension in the steing when it is at horizontal position will be

A

1 N

B

2 N

C

3 N

D

4 N

Text Solution

Verified by Experts

The correct Answer is:
C
`T=(mv^(2))/(r)=(1xx1)/(1)=1N`.
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

A body of mass 1 kg is suspended from a string 1 m long it is rotated in a vertical circle , what is the tension in the string when it is horizontal and the speed of the body is 2m/s ?

A point mass of 2 kg tied to a string of 1 m length is rotated in a vertical circle with uniform speed of 4m/s. The tension in the string is nearly 32 N when mass is at

A stone of mass 50 g is tied to the end of a string 2 m long and is set into rotation in a horizontal circle with a uniforn speed of 2m//s .Then tension in the string is

A mass of 2 kg tied to a string 1 m length is rotate in a verticle circle with a uniform speed of 4 m//s . The tension in the string will be 52 N, when the mass is at (g=10 m//s^(2))

A stone of mass 1 kg tied at the end of a string of length 1 m and is whirled in a verticle circle at a constant speed of 3 ms^(-1) . The tension in the string will be 19 N when the stone is (g=10 ms^(-1))

A 1kg stone at the end of 1m long string is whirled in a vertical circle at a constant speed of 4m//s . The tension in the string is 6N , when the stone is at (g=10m//s^(2))

A mass of 5 kg is tied to a string of length 1.0 m and is rotated in vertical circle with a uniform speed of 4m//s . The tension in the string will be 130 N when the mass is at (g= 10 m//s^2 )

A mass of 5 kg is tied to a string of length 1.0 m is rotated in vertical circle with a uniform speed of 4 m//s . The tension in the string will be 170 N when the mass is at (g=10 m//s^(2))

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) ]

NIKITA PUBLICATION-CIRCULAR MOTION-Multiple Choice Question
  1. A car of mass 1000 kg moves on a circular path with constant speed of ...

    Text Solution

    |

  2. A toy car weighing 1 kg tied at the end of a tring 1 m long moves in a...

    Text Solution

    |

  3. A body of mass 1 kg is suspended by a string 1 m long .The body is ro...

    Text Solution

    |

  4. A particle of mass m is moving in a horizontal circle of radius r, und...

    Text Solution

    |

  5. Two particles of equal masses are revolving in circular paths of radii...

    Text Solution

    |

  6. A string breaks if its tension exceeds 10 newtons . A stone of mass ...

    Text Solution

    |

  7. A 500 kg car takes a round turn of radius 50 m with a velocity of 36...

    Text Solution

    |

  8. A ball of mass 0.25 kg attached to the end of a string of length 1.96 ...

    Text Solution

    |

  9. A body of mass 10 kg is moving in a circle of radian 1 m with an angul...

    Text Solution

    |

  10. A stone of mass of 16 kg is attached to a string 144 m long and is w...

    Text Solution

    |

  11. A ball of mass 0.1 Kg. is whirled in a horizontal circle of radius 1 m...

    Text Solution

    |

  12. If the radius of curvature of the path of two particles of same masses...

    Text Solution

    |

  13. A 500 kg crave takes a turne of radius 50 m wiyh velocity of 54 km//h...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  16. A stone of mass 1//2 kg is whriled round the end of a piece of string ...

    Text Solution

    |

  17. A stone of mass 50 g is tied to the end of a string 2 m long and is s...

    Text Solution

    |

  18. A chain of 100 links is 1 m long and has a mass of 2 kg . With the end...

    Text Solution

    |

  19. A gramophone disc rotates with a uniform angular velocity of 6 rad//s...

    Text Solution

    |

  20. A boy is sitting on a horizontal platform of joy wheel at a distance o...

    Text Solution

    |