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Uttarakhand PMT Uttarakhand PMT Solved Paper-2011

  • question_answer
    A man wants to slide down a rope. The breaking load for the rope \[\frac{2}{3}\] rd of the weight of the man. With what minimum acceleration should fireman slide down?

    A)  \[\frac{g}{4}\]                 

    B)  \[\frac{g}{3}\]

    C)  \[\frac{2g}{3}\]               

    D)  \[\frac{g}{6}\]

    Correct Answer: B

    Solution :

     Tension in rope \[T<\left( Breaking\text{ }load\frac{2}{2}mg \right)\] \[\therefore \] \[m(g-a)<\frac{2}{3}mg\] \[a>\frac{g}{3}\]


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