9th Class Science Sample Paper Science Sample Paper-2

  • question_answer
    The mass of the earth and moon are \[8\times {{10}^{24}}\]and \[4\times {{10}^{20}}\]kg. If the distance between them is \[1.5\times {{10}^{2}}\]km. Calculate the force exerted by the earth on the moon?

    A) \[1\times {{10}^{25}}N\]A

    B) \[5\times {{10}^{25}}\,\,N\]

    C) \[95.5\times {{10}^{23}}\,\,N\]

    D) \[9.29\times {{10}^{23}}\,\,N\]

    E) None of these

    Correct Answer: D


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