Home
Class 11
PHYSICS
The linear momentum and position vector ...

The linear momentum and position vector of the planet is perpendicular to each other at

A

perihelion and aphelion

B

at all points

C

only at perihelion

D

no point

Text Solution

Verified by Experts

The correct Answer is:
A
At aphelion Potential Energy is more and Kinetic energy is less.
At perihelion Potential Energy is less and Kinetic Energy is more.
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    PREMIERS PUBLISHERS|Exercise EVALUATION TEXTBOOK QUESTION & ANSWERS (SHORT ANSWER QUESTIONS)|30 Videos

  • GRAVITATION

    PREMIERS PUBLISHERS|Exercise EVALUATION TEXTBOOK QUESTION & ANSWERS (LONG ANSWER QUESTIONS)|32 Videos

  • KINEMATICS

    PREMIERS PUBLISHERS|Exercise Other important questions & answers (V. Numerical problems).|166 Videos
PREMIERS PUBLISHERS-GRAVITATION-OTHER IMPORTANT QUESTION & ANSWERS (CONCEPTUAL QUESTIONS)
  1. The linear momentum and position vector of the planet is perpendicular...

    Text Solution

    |

  2. Why a body weighs less at the equator than at the poles?

    Text Solution

    |

  3. Where does a body weigh less? At the sea level or on the mountains?

    Text Solution

    |

  4. Why do you feel giddy while moving on Raatinam (or) Carrousel?

    Text Solution

    |

  5. Explain why one can jump higher on the surface of the Moon than that o...

    Text Solution

    |

  6. A planet revolves in an elliptical orbit around the Sun. The semi-majo...

    Text Solution

    |

  7. If Earth be at one fourth its present distance from the Sun, how many ...

    Text Solution

    |

  8. State Newtons Universal law of gravitaion.

    Text Solution

    |

  9. Why does the gravitational potential energy U(r) is always negative?

    Text Solution

    |

  10. What happens to the acceleration due to gravity on account of rotation...

    Text Solution

    |

  11. Under what condition, the gravitational potential energy of a body wil...

    Text Solution

    |

  12. Can we determine the gravitational mass of a body inside an artificial...

    Text Solution

    |

  13. Mention the factors which determine whether a planet would have an atm...

    Text Solution

    |

  14. If the Earth stops rotating about its axis, then by what value will th...

    Text Solution

    |

  15. A hippopotamus and a frog are to be projected out of Earth into space....

    Text Solution

    |

  16. Tides arise in the ocean. Give reason.

    Text Solution

    |

  17. Why does an astronaut in a spacecraft feel weightlessness?

    Text Solution

    |

  18. Where does the weight of a body become zero?

    Text Solution

    |

  19. Why a body weighs less at the equator than at the poles?

    Text Solution

    |

  20. Where does a body weigh less? At the sea level or on the mountains?

    Text Solution

    |

  21. Why do you feel giddy while moving on Raatinam (or) Carrousel?

    Text Solution

    |