Home
Class 12
PHYSICS
Three point masses 'm' each are placed a...

Three point masses 'm' each are placed at the three vertices of an equilateral traingle of side 'a'. Find net gravitational force on any point mass.

Text Solution

Verified by Experts

The correct Answer is:
`sqrt(3)("Gm"^(2))/(a^(2))`
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    MOTION|Exercise Exercise - 1 (Section - A :- Newtons Law of Gravitation & Gravitational Field, Potential and Potential Energy) |28 Videos

  • GRAVITATION

    MOTION|Exercise Exercise - 1 (Section - B :- Gravitational Acceleration and Its Variation)|20 Videos

  • GRAVITATION

    MOTION|Exercise Exercise - 4 | Level - II (Previous Year | JEE Advanced)|15 Videos

  • GEOMETRICAL OPTICS

    MOTION|Exercise Exercise - 4 | Level-II|55 Videos

  • HEAT - 1

    MOTION|Exercise EXERCISE -4 (Level - II) Previous Year | JEE Advanced|22 Videos
MOTION-GRAVITATION-QUESTIONS FOR PRACTICE 
  1. Four masses, each equal to M are placed at the four corners of a squar...

    Text Solution

    |

  2. Three point masses 'm' each are placed at the three vertices of an equ...

    Text Solution

    |

  3. Three identical point mass each of mass 1kg lie in the x-y plane at po...

    Text Solution

    |

  4. The magnitude of the gravitational field at distance r(1) and r(2) fro...

    Text Solution

    |

  5. Two concentric shells of masses M(1) and M(2) are having radii r(1) an...

    Text Solution

    |

  6. A stone drop from height h reaches to earth surfaec in 1 sec. if the s...

    Text Solution

    |

  7. The radius of earth is about 6400Km and that of mars is about 3200 km ...

    Text Solution

    |

  8. Weight fo a body of a mass m decreases by 1% when it is raised to heig...

    Text Solution

    |

  9. At what height above the earth's surface is the acceleration due to gr...

    Text Solution

    |

  10. Find the percentage decrease in the wight of the body when taken to a ...

    Text Solution

    |

  11. What is the value of acceleration due to gravity at a height equal to ...

    Text Solution

    |

  12. At which height above earth's surface is the value of 'g' same as in a...

    Text Solution

    |

  13. At which height above earth's surface is the value of 'g' same as in a...

    Text Solution

    |

  14. At what depth below the surface does the acceleration due to gravity b...

    Text Solution

    |

  15. At what depth from earth's surface does the acceleration due to gravit...

    Text Solution

    |

  16. If earth is assumed to be a sphere of uniform density then plot a grap...

    Text Solution

    |

  17. If g is the acceleration due to gravity on the earth's surface, the ga...

    Text Solution

    |

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

    Text Solution

    |

  19. Two bodies of mass 10^(2) kg and 10^(3) kg are lying 1 m apart . The...

    Text Solution

    |

  20. The intensity of gravitational field at a point situated at a distance...

    Text Solution

    |