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Perpendicular Axis Theorem


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The following theorem about moments of inertia of a lamina:

Theorem

Suppose that a rigid body is in the form of a lamina lying in the plane z=0. Let I0x, I0y and I0z be the moments of inertia of the body about the three coordinate axes. Then I0z=I0x+I0y.

Subjects: Mathematics.


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