- #1
Hamiltonian
- 296
- 193
- Homework Statement
- find the moment of inertia of a disc using rods of variable lengths as differential element.(axis perpendicular to plane of disc and through its COM)
- Relevant Equations
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I know there are more convenient differential elements that can be chosen to compute the moment of inertia of a disc(like rings).
the mass of the differential element:
the moment of inertia of a rod through its COM is hency by applying the parallel axis theorem :
where am I going wrong?
the mass of the differential element:
the moment of inertia of a rod through its COM is
where am I going wrong?