9th Class Science Sample Paper Sample Paper - 1 Term - 1

  • question_answer
    Give three examples to illustrate the importance of universal law of gravitation.  

    Answer:

    (i) It is the gravitational pull of earth, which keeps us and other bodies firmly on the ground.                                       (1) (ii) The motion of the moon around the earth and the motion of planets around the sun is due to gravitational force between them.                            (1)               (iii) The tides formed in sea arc due to the gravitational pull evened by the sun and the moon on the surface of water.                (1)      


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