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Moment of inertia of a Rod is considered one of the most asked concept.
8 Questions around this concept.
The moment of inertia of a uniform cylinder of length and radius about its perpendicular bisector is . What is the ratio such that the moment of inertia is minimum?
Let I=Moment of inertia of a ROD about an axis through its centre and perpendicular to it
To calculate I (Moment of inertia of rod)
Consider a uniform straight rod of length L, mass M and having centre C
mass per unit length of the rod =
Take a small element of mass dm with length dx at a distance x from the point C.
Now integrate this dI between the limits
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