Home
Class 11
PHYSICS
Three uniform spheres, each having mass ...

Three uniform spheres, each having mass m and radius r, are kept in such a way that each touches the other two, The magnitude of the gravitational force on any sphere due to the other two is

A

`(Gm^2)/r^2`

B

`(Gm^2)/(4r^2)`

C

`sqrt2 (Gm^2)/(4r^2)`

D

`sqrt3 (Gm^2)/(4r^2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY

    PATHFINDER|Exercise QUESTION BANK|139 Videos
  • HYDROSTATICS, VISCOSITY AND SURFACE TENSION (HYDRODYNAMICS)

    PATHFINDER|Exercise QUESTION BANK|198 Videos

Similar Questions

Explore conceptually related problems

Two forces of the same magnitude F are at right angles to each other. The magnitude of the net force (total force) acting on the object is

Two small but heavy spheres of mass M each are kept at a distance r on a horizontal plane. The magnitude of the gravitational potential at the mid-point of the line joining the centres of the two spheres will be

Two circles having radii r units interest each other in such a way that each of them passes through the centre of the other. Then the length of their common chord is ____

Two heavy spheres each of mass 100 kg and radius 0.10 m are placed 1.0 m apart on a horizontal table. What is the gravitational force and potential at the mid-point of the line joining the centres of the spheres ? Is an object placed at that point in equilibrium ? if so, is the equilibrium stable or unstable ?

PATHFINDER-GRAVITATION-QUESTION BANK
  1. The value of ‘g’ at a certain height h above the free surface of earth...

    Text Solution

    |

  2. A planet is revolving in an elliptical orbit around the sun. Its close...

    Text Solution

    |

  3. Three uniform spheres, each having mass m and radius r, are kept in su...

    Text Solution

    |

  4. A man weighs 80 kg on the surface of earth of radius R. At what height...

    Text Solution

    |

  5. A diametrical tunnel is dug across the earth A ball is dropped into th...

    Text Solution

    |

  6. A tunnel is dug along a chord of the earth at a perpendicular distance...

    Text Solution

    |

  7. Which of the following are correct

    Text Solution

    |

  8. Let V and E denote the gravitational potential and gravitational field...

    Text Solution

    |

  9. An orbiting satellite will escape if

    Text Solution

    |

  10. A double star consists of two stars having masses M and 2M. The distan...

    Text Solution

    |

  11. Mark the correct statements

    Text Solution

    |

  12. Suppose a smooth tunnel is dug along a straight fine joining two point...

    Text Solution

    |

  13. Choose the wrong statements from the following

    Text Solution

    |

  14. A satellite is orbiting the earth in a circular orbit or radius r. Its

    Text Solution

    |

  15. A solid sphere of mass m and radius r is placed inside a hollow thin s...

    Text Solution

    |

  16. A solid sphere of mass m and radius r is placed inside a hollow thin s...

    Text Solution

    |

  17. The gravitational field in a region is given by vecE=(5N kg^-1)veci+ ...

    Text Solution

    |

  18. The gravitational field in a region is given by vecE=(5N kg^-1)veci+ ...

    Text Solution

    |

  19. In Column I, four artificial satellites of earth are shown, while in C...

    Text Solution

    |

  20. Four identical satellites are orbiting in four elliptical orbits havin...

    Text Solution

    |