JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Second Law of Motion

  • question_answer
    An elevator weighing 6000 kg is pulled upward by a cable with an acceleration of \[5\,m{{s}^{-2}}\]. Taking g to be \[10\,m{{s}^{-2}}\], then the tension in the cable is                [Manipal MEE 1995]

    A)                         6000 N            

    B)                           9000 N            

    C)                         60000 N            

    D)                           90000 N            

    Correct Answer: D

    Solution :

                                \[T=m\,(g+a)=6000\,(10+5)=90000\,N\]


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