Highly selective Backlog Qs for JEE MainPhysicsRotational Motion
The moment of inertia of a thin uniform rod of mass M and length L about an axis passing through its mid-point and perpendicular to its length is I₀ . Its moment of inertia about an axis passing through one of its ends and perpendicular to its length is
Options
- AI₀+M L^2 / 4
- BI₀+2 M L^2
- CI₀+M L^2
- DI₀+M L^2 / 2
Correct answer
A. I₀+M L^2 / 4
Step-by-step solution
The theorem of parallel axis for moment of inertia. aligned & I=I_ CM +M h^2 & I=I₀+M ( L 2 )^2 aligned I=I₀+ M L^2 4