9th Class Science Gravitation and Floatation Question Bank 9th CBSE Science Gravitation

  • question_answer
      If the moon attracts the earth, why does the earth not move towards the moon?  [NCERT]

    Answer:

                      The moon revolves around the earth because gravitational force of the earth on moon provides the necessary centripetal force for circular motion. The moon also attracts the earth, due to which earth also revolves around the moon in circular orbit, but due to the very large mass of the earth, the motion of earth is not observed. It may be kept in mind that there is no linear motion of earth towards moon or moon towards earth. The gravitational force between them keeps on changing the direction of the motion of moon or earth in circular orbit.


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