Home
Class 11
PHYSICS
A particle of mass 1kg is placed at a di...

A particle of mass `1kg` is placed at a distance of `4m` from the centre and on the axis of a uniform ring mass `5kg` and radius `3m`. The work done to increase the distance of the particle from `4m` to `3sqrt(3)`m is

A

`G/3J`

B

`G/4J`

C

`G/5J`

D

`G/6j`

Text Solution

Verified by Experts

The correct Answer is:
D
`U_(1)=-G`
`U_(2)=(-5T)/6,W=U_(2)-(-U_(1))`
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NARAYNA|Exercise EXERCISE -III|42 Videos

  • FRICTION

    NARAYNA|Exercise Passage type of questions I|6 Videos

  • KINETIC THEORY OF GASES

    NARAYNA|Exercise LEVEL-III(C.W)|52 Videos

Similar Questions

Explore conceptually related problems

A particle of mass m is placed at a distance x from the centre of ring along the line through the centre of the ring and perpendicular to its plane. if xlt lta , the particle of mass m will:

Find potential at a point 'P' at a distance 'x' on the axis away from centre of a uniform ring of mass M and radius R .

A particle of mass 1 kg is kept on the surface of a uniform sphere of mass 20 kg and radius 1.0 m . Find the work to be done against the gravitational force between them to take the particle away from the sphere.

A particle of mass m is placed at a distance R from centre of a uniformly dense thin ring of mass m rand radius R on a axis passing through its centre and perpendicular to its plane. Find the speed of the particle when it reaches at the centre fo the ring due to their mutual gravitation force.

A particle of mass M is placed at the centre of a uniform spherical shell of equal mass and radius a. Find the gravitational potential at a point P at a distance a/2 from the centre.

A point particle of mass m is released from a distance sqrt(3)R along the axis of a fixed ring of mass M and radius R as shown in figure. Find the speed of particle as it passes through the centre of the ring.

Find the intensity of gravitational field at a point lying at a distance x from the centre on the axis of a ring of radius a and mass M .

A particle of mass M is placed at the centre of a spherical shell of same mass and radius a. What will be the magnitude of the gravitational potential at a point situated at a/2 distance from the centre ?

A mass m is placed at point P lies on the axis of a ring of mass M and radius R at a distance R from its centre. The gravitational force on mass M is

Two partcles of masses 1 kg and 2 kg are placed at a distance of 3 m. Moment of inertia of the particles about an axis passing through their centre of mass and perpedicular to the line joining them is (in kg-m^(2))

NARAYNA-GRAVITATION-EXERCISE -IV
  1. The magnitudes of the gravitational field at distance r(1) and r(2) fr...

    Text Solution

    |

  2. Gravitational field intensity at the centre of the semi circle formed ...

    Text Solution

    |

  3. Two equal masses each m are hung from a balance whose scale pans diffe...

    Text Solution

    |

  4. Find the gravitational potential energy of a system of four particles,...

    Text Solution

    |

  5. A thin uniform annula disc (see figure) of mass M has outer radius 4R ...

    Text Solution

    |

  6. The gravitational force in a region is given by, vec(F)=mayhati+maxhat...

    Text Solution

    |

  7. The gravitational field in a region due to a certain mass distribution...

    Text Solution

    |

  8. A particle of mass 1kg is placed at a distance of 4m from the centre a...

    Text Solution

    |

  9. Consider two configuration in fig (i) and fig (ii) The work done ...

    Text Solution

    |

  10. Two concentric sphereical shells A and B of radii R and 2R and masses ...

    Text Solution

    |

  11. A particle is placed in a field characterized by a value of gravitatio...

    Text Solution

    |

  12. In a certain region of space, the gravitational field is given by -(k)...

    Text Solution

    |

  13. Graviational acceleration on the surface of plane fo (sqrt6)/(11)g. wh...

    Text Solution

    |

  14. A spherically symmetric gravitational system of particles has a mass d...

    Text Solution

    |

  15. A satellite is moving with a constant speed 'V' in a circular orbit ab...

    Text Solution

    |

  16. If earth were to rotate on its own axis such that the weight of a pers...

    Text Solution

    |

  17. Two identical thin ring each of radius R are co-axially placed at a di...

    Text Solution

    |

  18. Two bodies of masses m and M are placed at distance d apart. The gravi...

    Text Solution

    |

  19. An asteroids as moving towards a planet of mass M and radius R,from a ...

    Text Solution

    |

  20. A satellite is revolving in a circular orbit at a height 'h' from the ...

    Text Solution

    |