Rotational Inertia and Axis Location
A system is composed of two point masses, m₁ and m₂, connected by a massless rod. The rotational inertia of the system is measured about an axis perpendicular to the rod. If the measured rotational inertia is 25% greater than the minimum possible value, what can be concluded about the location of the axis of rotation?
A
The axis must be perpendicular to the line joining the masses
B
The axis is displaced from the center of mass
C
The axis is exactly at the midpoint of the rod
D
The axis must pass through one of the masses
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