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Using Integrals to Derive Rotational Inertia of a Long, Thin Rod with Demonstration

By Flipping Physics, 02/03/2019
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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? This is an AP Physics 😄 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

Next Video: 2 Masses on a Pulley - Torque Demonstration

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Graphing the Rotational Inertia of an Irregular Shape

Previous Video: How the Force of Tension on a Pulley Changes with Acceleration

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Thank you to Christopher Becke and Faiaz Rahman for being my Quality Control Team for this video.

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