pinhole friction with tires

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From: bliss (swise@lwhs.org)
Date: Wed Jan 26 2000 - 13:50:41 PST

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Message-Id: <200001262038.MAA07397@noontide.lwhs.org>
Date: Wed, 26 Jan 2000 13:50:41 -0800
From: swise@lwhs.org (bliss)
Subject: pinhole friction with tires

Hi pinhole --

My colleague and I were talking about how to calculate the friction
coefficient between car tires and a road. We agree that it is probably a
coefficient of static friction that we are looking for, as the tire and
road surface do not slide with respect to each other as the car moves. But
my colleague also seems to remember somewhere reading about "rolling
friction" as distinct from static friction. We can't find it in any of our
current books. Does anyone else have info about this?

Cheers, Sarah Wise

帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘帘

Sarah Wise

Lick-Wilmerding H.S.
755 Ocean Avenue
San Francisco, CA 94112
swise@lick.pvt.k12.ca.us

"Not everything that can be counted counts,
and not everything that counts can be counted."
--Albert Einstein

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