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

  • question_answer
    Compare the pressure exerted by a sharp needle on a surface and the pressure exerted by a blunt needle.

    A)  The pressure exerted by a sharp needle is more.  

    B)  The pressure exerted by a blunt needle is less.

    C)  The pressure exerted by both is equal.

    D)  It cannot be determined.

    Correct Answer: A

    Solution :

     The pressure exerted by a sharp needle on a surface is more than the pressure exerted by a blunt needle.


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