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  3. CET Karnataka Medical

CET Karnataka Medical CET - Karnataka Medical Solved Paper-2005

  • question_answer
    A student unable to answer a question on Newtons laws of motion attempts to pull himself up by tugging on his hair. He will not succeed:

    A)  as the force exerted is small

    B)  the frictional force while gripping, is small

    C)  Newtons law of inertia is not applicable to living beings

    D)  as the force applied is internal to the system

    Correct Answer: D

    Solution :

    In this case the internal force is applied on the system, so he will not succeed. According to Newtons law the state of a body can only be changed if some external force is applied on it.


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