Uttarakhand PMT Uttarakhand PMT Solved Paper-2008

  • question_answer
    If the unit of force is 1 kilo newton, the length is 1 km and time 100 s, what will be the unit of mass?

    A)  1,000kg      

    B)  1kg

    C)  10,000kg     

    D)  100kg

    Correct Answer: C

    Solution :

     Let \[x\]kg be unit of mass, then \[F=(x\,kg)(1000m){{(100s)}^{-2}}\] \[1000=x\times 1000\times \frac{1}{10000}\] \[x=10000\,kg\] \[x={{10}^{4}}\,kg\]


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