Home
Class 11
PHYSICS
Masses 2kg and 8kg are 18cm apart. The p...

Masses `2kg` and `8kg` are `18cm` apart. The point where the gravitational field due to them is zero, is

A

`6 cm` from `8kg` mass

B

`6 cm` from `2 kg` mass

C

`1.8 cm` from `8 kg` mass

D

`9 cm` from each mass

Text Solution

Verified by Experts

The correct Answer is:
B

distance of null point,`x=d/(sqrt((m_(2))/(m_(1)))+1)` from `m_(1)`, smaller mass
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NARAYNA|Exercise LEVEL II (C.W.)|38 Videos
  • GRAVITATION

    NARAYNA|Exercise LEVEL III|44 Videos
  • GRAVITATION

    NARAYNA|Exercise C.U.Q|220 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

Masses 4kg and 36 kg are 16 cm apart. The point where the gravitational field due to them is zero is

Masses 8 kg and 2 kg are 18 cm apart. The point where the gravitational field due to the masses is zero is

Two bodies of masses M_(1) and M_(2) , are placed at a distance R apart. Then at the position where the gravitational field due to them is zero, the gravitational potential is

Two bodies of masses m_(1) and m_(2) are placed at a distance r apart. Show that the position where the gravitational field due to them is zero, the potential is given by -G (m_(1) + m_(2) + 2 sqrt(m_(1) + m_(2)))//r

Two bodies of masses m and M are placed at distance d apart. The gravitational potential (V) at the position where the gravitational field due to them is zero V is

Two bodies of masses M_(1) and M_(2) are kept separeated by a distance d. The potential at the point where the gravitational field produced by them is zero, is :-

Two bodies of masses 50 kg and 100 kg are at a distance 1m apart. The intensity of gravitational field at the mid-point of the line joining them is (in joules)

In a gravitational field, at a point where the gravitational potential is zero

At which point on the line joining the two bodies of masses 8 kg and 20 kg, placed 1 m apart, is the gravitational field intensity zero ?

NARAYNA-GRAVITATION-LEVEL I(C.W.)
  1. The value of acceleration due to gravity on the surface of earth is x....

    Text Solution

    |

  2. The point at which the gravitational force acting on any mass is zero ...

    Text Solution

    |

  3. Masses 2kg and 8kg are 18cm apart. The point where the gravitational f...

    Text Solution

    |

  4. Particles of masses m1 and m2 are at a fixed distance apart. If the gr...

    Text Solution

    |

  5. The PE of three objects of masses 1kg,2kg and 3kg placed at the three ...

    Text Solution

    |

  6. A small body is initially at a distance r from the centre of earth. r ...

    Text Solution

    |

  7. A body of mass 'm' is raised from the surface fo the earth to a height...

    Text Solution

    |

  8. A person brings a mass 2kg from A to B. The increase in kinetic energy...

    Text Solution

    |

  9. The work done liftting a particle of mass 'm' from the centre of the e...

    Text Solution

    |

  10. Figure shows two shells of masses m(1) and m(2). The shells are concen...

    Text Solution

    |

  11. Energy required to move a body of mass m from an orbit of radius 2R to...

    Text Solution

    |

  12. the ratio of escape velocities of two planets if g value on the two pl...

    Text Solution

    |

  13. The escape velocity from the surface of the earth of radius R and dens...

    Text Solution

    |

  14. A body is projected vertically up from surface of the earth with a vel...

    Text Solution

    |

  15. A spaceship is launched in to a circular orbit of radius R close to su...

    Text Solution

    |

  16. The escape velocity from the earth is 11 km//s. The escape velocity fr...

    Text Solution

    |

  17. An object of mass m is at rest on earth's surface. Escape speed of thi...

    Text Solution

    |

  18. A satellite revolves in a circular orbit with speed, V=1/(sqrt(3))V(e)...

    Text Solution

    |

  19. A space station is set up in space at a distance equal to the earth's ...

    Text Solution

    |

  20. The orbital speed for an earth satellite near the surface of the earth...

    Text Solution

    |