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9th Class Science Time and Motion Question Bank Motion

  • question_answer
    The motion of the earth around the sun once in a year requires some force of attraction between them. What is the centripetal force acting between them?

    A)  Gravitational force          

    B)  Weight of the sun

    C)  Weight of the earth        

    D)  Density of the earth

    Correct Answer: A

    Solution :

     Centripetal force is the force acting towards the centre of a circle. The gravitational force between the sun and the earth provides the necessary centripetal force.


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