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NEET Physics Work, Energy, Power & Collision / कार्य, ऊर्जा और शक्ति NEET PYQ-Work Energy Power and Collision

  • question_answer
    What is the minimum velocity with which a body of mass m must enter a vertical loop of radius R so that it can complete the loop  [NEET - 2016]

    A) \[\sqrt{gR}\]

    B) \[\sqrt{2gR}\]

    C) \[\sqrt{3gR}\]

    D) \[\sqrt{5gR}\]

    Correct Answer: D

    Solution :

    [d] When minimum speed of body is \[\sqrt{5gR},\] then no matter from where it enters the loop, it will complete full vertical loop.


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