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Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2010

  • question_answer
    Moment of inertia of a rod of length\[l\] about an  axis passing through its edge is (mass of the rod M)

    A) \[\frac{M{{l}^{2}}}{12}\]                                              

    B) \[\frac{M{{l}^{2}}}{3}\]

    C) \[\frac{M{{l}^{2}}}{2}\]                                 

    D) \[\frac{M{{l}^{2}}}{4}\]

    Correct Answer: B

    Solution :

    Moment of inertia of a long uniform thin rod about an axis passing through its edge and perependicular to the rod is \[\frac{M{{l}^{2}}}{3}\].


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