A Dumbbell-Shaped Object Is Composed by Two Equal Masses,m,connected by a Rod

question 17

Multiple Choice

A dumbbell-shaped object is composed by two equal masses,m,connected by a rod of negligible mass and length r.If I₁ is the moment of inertia of this object with respect to an axis passing through the center of the rod and perpendicular to it and I₂ is the moment of inertia with respect to an axis passing through one of the masses,it follows that

• A) I₁ = I₂.
• B) I₁ > I₂.
• C) I₂ > I₁.

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