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Communication of the week:

  • 2018.11.18: "You are the reason I'm passing my college physics course. I've taken pages of notes on your videos and I wish I would've watched you sooner back when I was struggling with projectile motion a couple months ago. How do you not have tens of thousands of views? You deserve so much love and respect." codyriceandothers - YouTube Comment
Did you know I teach part-time to allow time to make these Flipping Physics videos? That is because it takes a tremendous amount of time to make videos of high caliber. Yep, I am in the classroom 40% of the time of a full-time teacher. That means I make 40% of the salary a full-time teacher. Can you imagine that? So realize, yes, I provide all the videos for free. This is because there are many people on this planet who cannot afford high quality education like this. However, if you can afford to, especially if you are assigning my videos for students to learn from, please pledge me a few dollars a month on Patreon. If not, there are other ways to help out as well. Thanks.
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Most Recent Video (2018.11.18)
Introductory Rotational Form of Newton's Second Law Problem (4:42)
A basic rotational form of Newton’s Second Law problem with only one force.
This is an AP Physics 1 Topic.

Content Times:
0:08 The problem
1:17 Free Body Diagram
1:37 Summing the torques
3:44 The direction
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  • Thank you Scott Carter, Christopher Becke, Jonathan Everett, and Faiaz Rahman for being my Quality Control Team for this video.