A uniform thin rod of mass M, length L is vertically straight on a horizontal floor. If the rod is falling to a side without slipping at its bottom, the moment of inertia is:
A
ML23
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B
ML26
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C
ML29
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D
ML212
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Solution
The correct option is AML23 MI of a rod of length L and mass M about an axis passing through one end is, I=ML23
(since body is not slipping so inertia will be considered from one end of the rod)