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J & K CET Engineering J and K - CET Engineering Solved Paper-2011

  • question_answer
    A force 2 unite acts along the line \[x-4=y-5.\] The moment of the force about the point \[(1,\,\,1)\] along Z-axis is equal to       

    A)  \[0\]              

    B)  \[\frac{1}{\sqrt{2}}\]

    C)  \[\sqrt{2}\]            

    D)  \[2\sqrt{2}\]

    Correct Answer: C

    Solution :

    Given equation of line, \[x-4=y-5\] \[\Rightarrow \] \[x-y+1=0\] ?.(i) Now, moment of the force \[=F.d=2\times \frac{1}{\sqrt{2}}\] \[=\sqrt{2}\]


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