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JEE Main & Advanced Physics Two Dimensional Motion Question Bank Non-uniform Circular Motion

  • question_answer
    A body crosses the topmost point of a vertical circle with critical speed.  Its centripetal acceleration, when the string is horizontal will be                              [MH CET 2002]  

    A)             6 g

    B)                      3 g

    C)             2 g

    D)                      g

    Correct Answer: B

    Solution :

                    \[v=\sqrt{3gr}\]and \[a=\frac{{{v}^{2}}}{r}=\frac{3gr}{r}=3g\]


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