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Manipal Medical Manipal Medical Solved Paper-2009

  • question_answer
    A box whose mass is 5 kg lies on a spring balance inside a lift. The lift starts to ascend with an acceleration of\[2\text{ }m{{s}^{-2}}\]. The reading of the machine or balance is\[(g=10\text{ }m{{s}^{-2}})\]

    A)  50kg           

    B)  zero

    C)  49kg           

    D)  60kg

    Correct Answer: D

    Solution :

    Reading\[=mg+ma=5\times 10+5\times 2=60\text{ }kg\]


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