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CMC Medical CMC-Medical VELLORE Solved Paper-2015

  • question_answer
    A man weighing 70 kg is now standing on a weighing machine kept inside a lift. If the lift falls freely downwards, then the reading of the spring balance will be

    A)  zero                                     

    B)  70 kg f

    C)  < 70 kg f                             

    D)  > 70 kg f

    E)  None of the above

    Correct Answer: A

    Solution :

                    A freely falling body experience its weightlessees. i.e. the weight experienced by man is zero, because acceleration\[a\]of lift is equal to\[g\]and \[|a-g|=0\]


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