what-is-the-moment-of-inertia-of-a-thin-uniform-bar-with-two-point-masses-attach

Question

What is the moment of inertia of a thin uniform rod with two point masses attached to it and rotating about the axis shown in the figure?

Diagram showing a rod with point masses and rotation axis for moment of inertia calculation.

Accepted Answer

(L_R²/4)(M_R/3+7M/12)

Answer

(L_R)(M_R/3+11M/18)

Answer

(L_R/6)(M_R/6+7M/9)

Answer

(L_R²/3)(M_R+2M)