J & K CET Engineering J and K - CET Engineering Solved Paper-2014

  • question_answer
    What is the dimensional formula for Work?

    A)  \[[ML{{T}^{-2}}]\]         

    B)  \[[M{{L}^{2}}{{T}^{-2}}]\]

    C)  \[[M{{L}^{3}}{{T}^{-2}}]\]        

    D)  \[[M{{L}^{2}}{{T}^{-1}}]\]

    Correct Answer: B

    Solution :

    \[Work=Force\times displacement\] \[=m\times a\times s\] \[=[ML{{T}^{-2}}][L]=[M{{L}^{2}}{{T}^{-2}}]\]


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