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## Main Question or Discussion Point

Generally, when we talk about moment of inertia, we talk about rotation and inherently, we talk about moment of inertia about an axis.

But when we talk about inertia tensor, we calculate about a point. Is there a reason for this difference? Am I missing something?

I am new to tensors.

But when we talk about inertia tensor, we calculate about a point. Is there a reason for this difference? Am I missing something?

I am new to tensors.