We use integrals to derive the #rotationalinertia of a uniform, long, thin rod. And we demonstrate our answer is correct using a Rotational Inertia Demonstrator. Want Lecture Notes? https://www.flippingphysics.com/thin-rod-rotational-inertia.html This is an AP Physics C: Mechanics Topic.
Content Times: 0:15 Rotational Inertia 0:42 Linear Mass Density 1:51 About Center of Mass 3:02 About an End 4:27 Rotational Inertia Demonstrator (RID) 6:09 About Center of RID 7:03 Comparing our answers 7:43 Demonstrating our answer
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Graphing the Rotational Inertia of an Irregular Shape https://www.flippingphysics.com/graphing-rotational-inertia.html
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