Home
Class 11
PHYSICS
Three particles each of mass m are kept ...

Three particles each of mass `m` are kept at the vertices of an euilateral triangle of side `L`. The gravitational field at the centre due to these particle is

A

zero

B

`(3GM)/(L^(2))`

C

`(9GM)/(L^(2))`

D

`(2GM)/(L^(2))`

Text Solution

Verified by Experts

The correct Answer is:
A

`vec(I)=vec(I)_(1)+vec(I)_(2)+vec(I)_(3)=0`
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NARAYNA|Exercise LEVEL-II (H.W)|32 Videos
  • GRAVITATION

    NARAYNA|Exercise LEVEL-V|54 Videos
  • GRAVITATION

    NARAYNA|Exercise NCERT BASED QUESTIONS|26 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

Three particles each of mass m are kept at vertices of an equilateral triangle of side L. The gravitational field at centre due to these particle is

Three particles each of mass m are kept at the vertices of an equilateral triangle of side L . What is the gravitational potential at the centroid of the triangle?

Three particles each of mass m are palced at the corners of an equilateral triangle of side b . The gravitational potential energy of the system of particle is

Three mass points each of mass m are placed at the vertices of an equilateral tringale of side l. What is the gravitational field and potential due to three masses at the centroid of the triangle ?

Three particles, each of mass m are fixed at the vertices of an equilateral triangle of side length a . The only forces acting on the particles are their mutual gravitational forces. Then answer the following questions. Force acting on particle C , due to particle A and B

Three particles, each of mass m are fixed at the vertices of an equilateral triangle of side length a . The only forces acting on the particles are their mutual gravitational forces. Then answer the following questions. The gravitational potential at O is

Three identical point objects each of mass m are placed at the vertices of an equilateral triange of side l . What is the gravitational potential at the centre of the equilateral triangle due to the point masses?

Three particles, each of mass m, are situated at the situated at the vertices of an equilateral triangle of side 'a'. The only forces acting on the particles are their mutual gravitational forces. It is intended that each particle moves along a circle while maintaining their original separation 'a'. Determine the initial velocity that should be given to each particle and the time period of the circular motion. The resultant force on particle at A due to other two particles is

NARAYNA-GRAVITATION-LEVEL -I(H.W)
  1. Masses 4kg and 36 kg are 16 cm apart. The point where the gravitationa...

    Text Solution

    |

  2. Two particle of masses 4kg and 8kg are kept at x=-2m and x=4m respecti...

    Text Solution

    |

  3. Three particles each of mass m are kept at the vertices of an euilater...

    Text Solution

    |

  4. Three particles each of mass m are palced at the corners of an equilat...

    Text Solution

    |

  5. If W is the weight of a satellite on the surface of the earth, then th...

    Text Solution

    |

  6. A body of mass m is lifted from the surface of earth of height equal t...

    Text Solution

    |

  7. An object of mass 2kg is moved from infinity to a point P. Initially t...

    Text Solution

    |

  8. If mass of the earth is M, radius is R, and gravitational constant is ...

    Text Solution

    |

  9. A body of mass m is placed on the earth surface is taken to a height o...

    Text Solution

    |

  10. A body is released from a height 5R where R is the radius of the earth...

    Text Solution

    |

  11. The difference in PE of an object of mass 10 kg when it is taken from ...

    Text Solution

    |

  12. If the gravitational potential energy of a body at a distance r from t...

    Text Solution

    |

  13. The escape velocity of an object on a planet whose radius is 4 times t...

    Text Solution

    |

  14. The escape velocity of a sphere of mass m is given by

    Text Solution

    |

  15. A body is projected up with a velocity equal to 3//4th of the escape v...

    Text Solution

    |

  16. A spacecraft is launched in a circular orbit very close to earth. What...

    Text Solution

    |

  17. If the escape velocity on the earth is 11.2 km//s, its value for a pla...

    Text Solution

    |

  18. The escape velocity of a body from earth's surface is ve. The escape v...

    Text Solution

    |

  19. The escape velocity of a body from the surface of the earth is V(1) an...

    Text Solution

    |

  20. The ratio of the orbital speeds of two satellites of the earth if the ...

    Text Solution

    |