Description
In the absence of a net external torque on an object, angular momentum is conserved. When an object oscillates about an axis of rotation, there is a variable restoring torque acting on the object.
This lecture is part of 8.01 Physics I: Classical Mechanics, as taught in Fall 1999 by Dr. Walter Lewin at MIT.
This video was formerly hosted on the YouTube channel MIT OpenCourseWare.
This version was downloaded from the Internet Archive, at https://archive.org/details/MIT8.01F99/.
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License: Creative Commons BY-NC-SA 3.0 US
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