Home
Class 11
PHYSICS
A small sphere of mass 'm' is attached t...

A small sphere of mass 'm' is attached to a cord and rotates in a vertical plane about a point `O`. If the average speed of the sphere is increased, the cord is most likely to break at the orientation when the mass is at :
.

A

bottom point B

B

the point C

C

the point D

D

top point A

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WORK , ENERGY & POWER

    NARAYNA|Exercise (C.U.Q ) MOTION IN A VERTICAL CIRCLE|6 Videos

  • WORK , ENERGY & POWER

    NARAYNA|Exercise (C.U.Q ) COLLISIONS|14 Videos

  • WORK , ENERGY & POWER

    NARAYNA|Exercise Evaluate Yourself - 6|8 Videos

  • WAVES

    NARAYNA|Exercise Exercise-IV|56 Videos

  • WORK POWER AND ENERGY

    NARAYNA|Exercise Level-VI (Integer)|12 Videos

Similar Questions

Explore conceptually related problems

A mass is performing vertical ciruclar motion . If the average velocity of the particle is increased, then at which point the string will break:

A small sphere B of mass m is released form rest in the position shown and swings freely in a vertical plane, first about O and then about the peg A after the cord comes in contact with the peg. Determime the tension in the cord (a) just before the sphere comes in contact with the peg. (b) just after it comes in contact with the peg.

A mass m is attached to a thin wire and whirled in a vertical circle. The wire is most likely to break when:

A heavy mass is attached to a thin wire and is whirled in a vertical circle. The wire is most likely to break

Find the moment of inertia of a sphere about a tangent to the sphere, while the mass of the sphere is M and the radius of the sphere is R.

A small ball of mass m is attached to a string of lengh R and moves in a vertical circle with a speed v m/s about a fixed point O as illustrated in fig. Find the tension in the string, when it makes an angle theta with the vertical, in terms of v, theta and g.

A small sphere of mass m suspended by a thread is first taken a side so that the thread forms the right angle with the vertical and then released, then

A body of mass 2 kg attached to a cord and whirled in a verticle circle of radius 2 m. The minimum speed at the bottom of the circle so that the cord will not slacken when the body rounds the top of the circle will be (g=10 m//s^(2))

NARAYNA-WORK , ENERGY & POWER -C.U.Q
  1. Internal forces can change

    Text Solution

    |

  2. The negative of the work done by the conserative internal forces on a ...

    Text Solution

    |

  3. Which of the following statement is wrong?

    Text Solution

    |

  4. When a body falls from an aeroplane there is increase in its :

    Text Solution

    |

  5. A body is projected from ground obliquely. During downward motion, pow...

    Text Solution

    |

  6. The blades of a wind mill sweep out a circle of area A. If wind flows ...

    Text Solution

    |

  7. A pump is used to pump a liquid of density rho continuously through a ...

    Text Solution

    |

  8. A body is moved from rest along a staight line by a machine deliverin...

    Text Solution

    |

  9. A pump motor is used to deliver water at a certain rate from a given p...

    Text Solution

    |

  10. A body is moved along a straight line by a machine delivering constant...

    Text Solution

    |

  11. A body starts from rest and acquires velocity V in time T. The instant...

    Text Solution

    |

  12. A car drives along a straight level frictionless road by an engine del...

    Text Solution

    |

  13. A motor car of m travels with a uniform speed v on a convex bridge of...

    Text Solution

    |

  14. A gramphone record is revolving with an angular velocity omega. A coin...

    Text Solution

    |

  15. A small sphere of mass 'm' is attached to a cord and rotates in a vert...

    Text Solution

    |

  16. A car is moving up with uniform speed along a fly over bridge which is...

    Text Solution

    |

  17. A bottle of soda water is rotated in a vertical circle with the neck h...

    Text Solution

    |

  18. A vehicle is moving with uniform speed along horizontal, concave and c...

    Text Solution

    |

  19. Which of the following statement is incorrect?

    Text Solution

    |

  20. A bullet is fired from the gun. The gun recoils, the kinetic energy of...

    Text Solution

    |