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Re: MOMENT OF INERTIA



I am utterly unable to see how friction can do positive work on a body.
Friction (kinetic friction) always acts opposite to velocity. Thus
slowing it down. I missed the early part of this thread, but there has
to be some confusion here.

J. Epstein

I have a Demo, wherein I spin up a bicycle wheel using a drill motor with a
rod contacting the tire tread.

Does this count?


Clarence Bennett
Oakland University
Rochester, Michigan
248 370 3418
http://www3.acs.oakland.edu/physics/staff_info/Bennett.htm