Physics Classroom
The Physics Classroom: Inertia and Mass
This is part of a lesson on Newton's Laws of Motion that focuses on inertia and mass. It restates Newton's first law of motion. The lesson also gives a helpful visual description concerning friction.
TED Talks
Ted: Ted Ed: Free Falling in Outer Space
With a little help from Sir Isaac Newton, Matt J. Carlson explains the basic forces acting on an astronaut during a free fall. [2:59]
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