Home
Class 11
PHYSICS
A body crosses the topmost point of a ve...

A body crosses the topmost point of a vertical circle with a critical speed. Its centripetal acceleration, when the string is horizontal will be

A

`6g`

B

`3g`

C

`2g`

D

g

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 body attached at one end of a string crosses the topmost point of a vertical circle with the critical speed Its centripetal acceleration , when the string is horizontal will be

A mass attached to one end of a string crosses top - most point on a vertical circle with critical speed. Its centripetal acceleration when string becomes horizontal will be (where, g=gravitational acceleration)

A particle crosses the topmost point C of a vertical circle with critical speed , then the ratio of velocities at points A, B and C is

A body of mass 4 kg is moved in a vertical circle with sufficient speed .Its tangential acceleration , when the string makes an angle of 30^(@) with the verticle downward is (g=10 mm/s^(2))

Consider the situation as shown in the figure. The ball attached to a string is moving in the verticle circle find the (a) centripetal acceleration and (b) tanfential acceleration when the string makes an anhle 60^(@) with lower vertical. Also, express the total acceleration in vector from taking A as origin.

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) ]

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 body is mass m is rotating in a vertical circle of radius 'r' with critical speed. The difference in its K.E at the top and at the bottom is

A stone tied to the end of a 20 cm long string is whriled in a horizontal ciecle with a constant angular speed .If the centripetal acceleration is 980 cm//s^(2) , its angular speed is .

ERRORLESS -MOTION IN TWO DIMENSION-Exercise
  1. A coin, placed on a rotating turntable slips, when it is placed at a d...

    Text Solution

    |

  2. When a celling fan is switched off, its angular velocity falls to half...

    Text Solution

    |

  3. A body crosses the topmost point of a vertical circle with a critical ...

    Text Solution

    |

  4. A simple pendulum oscillates in a vertical plane. When it passes throu...

    Text Solution

    |

  5. A particle is moving in a vertical circle with constant speed. The tan...

    Text Solution

    |

  6. A Particle is kept at rest at the top of a sphere of diameter 42m.when...

    Text Solution

    |

  7. The coordinates of a moving particle at any time 't' are given by x = ...

    Text Solution

    |

  8. A small disc is on the top of a hemisphere of radius R. What is the sm...

    Text Solution

    |

  9. A body of mass 0.4 kg is whirled in a vertical circle making 2 rev/sec...

    Text Solution

    |

  10. A bucket full of water is revolved in vertical circle of radius 2 m . ...

    Text Solution

    |

  11. Figure shows a body of mass m moving with a uniform speed v along a ci...

    Text Solution

    |

  12. The maximum and minimum tension in the string whirling in a circle of ...

    Text Solution

    |

  13. For a particle in circular motion the centripetal acceleration is

    Text Solution

    |

  14. A particle moves in a circular path with decreasing speed . Choose the...

    Text Solution

    |

  15. A body of mass 1 kg is moving in a vertical circular path of radius 1 ...

    Text Solution

    |

  16. The angle turned by a body undergoing circular motion depends on time ...

    Text Solution

    |

  17. The maximum range of a gun from horizontal terrain is 16 km. If g = 10...

    Text Solution

    |

  18. A stone is just released from the window of a train moving along a hor...

    Text Solution

    |

  19. A bullet is dropped from the same height when another bullet is fired ...

    Text Solution

    |

  20. An aeroplane is flying at a constant horizontal velocity of 600 km//hr...

    Text Solution

    |