JEE Main & Advanced Physics Rotational Motion JEE PYQ-Rotational Motion

  • question_answer
    In the figure shown/ ABC is a uniform wire. If centre of mass wire lies vertically below point A, then \[\frac{BC}{AB}\]    
                                                                                                    [JEE ONLINE 10-04-2016]

    A)         1.85   

    B)        1.5

    C)   3                   

    D)        1.37 

    Correct Answer: D

    Solution :

    [d]
               
                If CM lies vertically below as per choose coordinate axis in x-coordinate is equal to  
               
               
               
               
               
               
               
               
               
               
               


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