Thank you to Arbor Scientific for letting me borrow their Rotational Inertia Demonstrator to … uh … demonstrate rotational inertia. Want Lecture Notes? https://www.flippingphysics.com/rotat... This is an AP Physics 1 Topic.

0:00 Intro
0:22 The Rotational Inertia Demonstrator
0:58 Rotational Inertia
1:40 Demonstration #1
2:00 Demonstration #2
2:55 Why always balanced?
4:30 Demonstration #3
5:27 Demonstration #4

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Thank you to Jonathan Sullivan-Wood for transcribing the English subtitles of this video.