Re: Reducing Friction with Oscillations
michael olson ( amplexus@dowco.com )
Sun, 12 Jul 1998 18:06:00 -0700
Hi Jerry, as an alternative approach to what you wrote;
The more jagged a surface is at micro levels- the easier the slide
between the two objects.It would be like points touching points, there
would be very little actual surface area . If however the surfaces were
ultra smooth at the micro level- and you did say the blocks were
precisly milled, the surfaces touching-adhere to each other through
friction. A case where surface friction is greater than the blocks
weight, or the gravity trying to disassemble them. Similar to one of
those spinning round rooms at a fair where you stick to the inside of
the wall.As the rotating machine slows to stop- you can sometimes manage
to "stay" where you are on the wall for a brief period before sliding
down.If you were to be ust thrown up there -nothing-. The compression of
g force pushes your body and cloths fibers"flat" into the wall. This
acts as surface friction to slow your "removal" from the wall.
Michael