Introduction to Newton's 1st Law of Motion
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Learn about Newtonâ€™s First Law of Motion with two examples shown. Plus, I snuck in some free body diagrams and subtle hints at Newtonâ€™s Second and Third Laws as well. Thank you so much to Mrs. Zeller for being a Flipping Physics Correspondent!
Want Lecture Notes? http://www.flippingphysics.com/first-law.html
0:08 Newtonâ€™s First Law of Motion
0:34 1st Example: Mrs. Zeller presents an object at rest
1:08 What does it mean â€œNo net external force acting on the rockâ€�?
2:20 2nd Example: An object in motion
3:21 What does â€œconstant velocityâ€� mean?
4:00 Also called the Law of Inertia
4:22 The two most common mistakes students make
Introduction to Newton's 2nd Law with Example Problem
The Reality of our first Free Body Diagram
Attributed to 'English School' (Bonhams) [Public domain], via Wikimedia Commons