Home
Class 12
PHYSICS
The earth is acted upon by the gravitati...

The earth is acted upon by the gravitational force of attraction due to the sun. Then why does the earth not fall towards the sun ?

Text Solution

Verified by Experts

By Kepler's second law `T^2alphar^3
(T_2//(T_1))^2=(r_2/(r_1))^3=(2/1)^3=8T_2//T_1=sqrt8=root(2)(2)thereforeT_2=root(2)(2)xxT_1thereforeT_2=365xx2xx1.414=1032days`
Promotional Banner

Topper's Solved these Questions

  • FRICTION

    MBD PUBLICATION|Exercise QUISTION BANK|72 Videos

  • KINETICS THEORY OF GASES

    MBD PUBLICATION|Exercise QUESTION BANK|264 Videos

Similar Questions

Explore conceptually related problems

What is work done by gravitational force between planet and sun?

The mass of the moon is 1//9 that of the earth. The value of the gravitational force of the earth on the moon is F newton. What is magnitude of the gravitational force of the moon on the earth.

How much work is done in the revolution of the earth around the sun ?

The earth moving round the sun in a circular orbit is acted upon by a force and hence work must be done on the earth by the force. Do you agree with this statement.

A force acts upon the earth revolving in a circular path about the sun. Hence work should he done on the earth Give comments.

The positive charge which must be given to the earth and moon, so that gravitational attractive force between them is nullified by electric repulsive force is ........

MBD PUBLICATION-GRAVITATION-QUESTION BANK
  1. Apple falls from a tree due to gravity. State which is greater in magn...

    Text Solution

    |

  2. The critical speed of satellite orbiting close to the earth’s surface ...

    Text Solution

    |

  3. The earth is acted upon by the gravitational force of attraction due t...

    Text Solution

    |

  4. The body weighs 100 N on the surface of the earth, then how much it wo...

    Text Solution

    |

  5. An artificial satellite revolves it’s orbit around the earth without u...

    Text Solution

    |

  6. An artificial satellite revolves it’s orbit around the earth without u...

    Text Solution

    |

  7. The gravitational force exerted by the sun on the moon is greater than...

    Text Solution

    |

  8. Two wires of the same material have their lengths in the ratio 3:2 , d...

    Text Solution

    |

  9. A body is dropped from a height of 100m. At what height the velocity o...

    Text Solution

    |

  10. If an earth satellite is put in orbit at a height where resistance due...

    Text Solution

    |

  11. A cylindrical open water tank with a circular base is to be made out o...

    Text Solution

    |

  12. what is the escape velocity of a body from the earth?

    Text Solution

    |

  13. The gravitational field due to mass distribution is E=K/x^2 in the X d...

    Text Solution

    |

  14. Where the weight of a man is more ? at the surface of the earth or at ...

    Text Solution

    |

  15. What happens to the apparent weight of a body in upward direction

    Text Solution

    |

  16. what is greater? The attraction of earth for an apple or attraction of...

    Text Solution

    |

  17. The earth moving round the sun in a circular orbit is acted upon by a ...

    Text Solution

    |

  18. A wire of steel of radius r and length l breaks due to weight W .What ...

    Text Solution

    |

  19. Name the regions of the atmosphere where global warming and ozone depl...

    Text Solution

    |

  20. The gravitational force between two protons is attractive. Then the Co...

    Text Solution

    |