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CMC Medical CMC-Medical VELLORE Solved Paper-2010

  • question_answer
    A pendulum bob of mass 50 g is suspended from the ceiling of an elevator. The tension in the spring, if the elevator goes up with uniform velocity is approximately

    A)  0.30 N                                 

    B)  0.40 N

    C)  0.42 N                                 

    D)  0.50 N

    E)  None of these

    Correct Answer: D

    Solution :

                     The tension in the string \[T=mg\] \[=50\times {{10}^{-3}}\times 10\] \[=0.5\,N\]


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