View full lesson: http://ed.ted.com/lessons/free-falling-in-outer-space-matt-j-carlson
If you were to orbit the Earth, you'd experience the feeling of free fall, not unlike what your stomach feels before a big dive on a roller coaster. With a little help from Sir Isaac Newton, Matt J. Carlson explains the basic forces acting on an astronaut and why you probably shouldn't try this one at home.
Lesson by Matt J. Carlson, animation by Josh Harris.
The title says it all: this blog features physics videos found everywhere on the web: animations, demonstrations, lectures, documentaries.