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JEE Main & Advanced Sample Paper JEE Main Sample Paper-16

  • question_answer
    In the arrangement shown, neglect the mass of the ropes and pulley. What must be the value of m to keep the system in equilibrium? There is no friction anywhere.

    A)  1                                            

    B)  2 M

    C)  \[\frac{\text{M}}{\text{2}}\]                                    

    D) \[\frac{\text{M}}{4}\]

    Correct Answer: C

    Solution :

    \[Mg\sin 30=T=mg\] \[m=\frac{M}{2}\]


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