RAJASTHAN PMT Rajasthan - PMT Solved Paper-1998

  • question_answer
    The moment of inertia of a rod of 1 m length with respect to its mid point is:

    A) \[\frac{M}{12}\]              

    B)        \[\frac{M}{3}\]

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

    D)        \[M\]

    Correct Answer: A

    Solution :

                    Moment of inertia of rod \[I=\frac{M{{l}^{2}}}{12}\]                 \[\because \]     \[l=1\]     \[\therefore \] \[I=\frac{M}{12}\]


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