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  3. 9th Class
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  5. Gravitation and Floatation

9th Class Science Gravitation and Floatation Question Bank Gravitation

  • question_answer
    Which of the following will require least force to penetrate the piece of wood?

    A) Sharp iron nail   

    B) Blunt Iron rod

    C) Thin sheet of steel          

    D) A Hammer

    E) None of these

    Correct Answer: A

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