Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2006

  • question_answer
    A uniform rope of length \[I\] lies on a table. If the coefficient of friction is \[\mu \] then the maximum length \[{{l}_{1}}\] of the part of this rope which can overhang from the edge of the table without sliding down is

    A) \[\frac{1}{\mu }\]                                           

    B) \[\frac{1}{\mu +1}\]

    C) \[\frac{\mu 1}{1+\mu }\]                                             

    D) \[\frac{\mu l}{\mu -1}\]

    Correct Answer: C

    Solution :

    The length of the rope which can overhang from the edge of the table without sliding down is given by \[{{l}_{1}}=\left( \frac{\mu }{1+\mu } \right)l\]


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