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I think one must consider the common case in which the walking individual
already has a forward momentum. When he then steps on a "frictionless"
banana peel his forward foot will indeed slip backwards, but his C.M will
continue forward - with a resulting rotation.
-----Original Message-----
From: John Mallinckrodt
Sent: Tuesday, November 01, 2011 11:46 AM
To: Forum for Physics Educators
Subject: Re: [Phys-l] circular motion FBD
Anthony Lapinski wrote:
I think the banana peel reduces the friction coefficient, and thus the
static friction force is reduced. Your push backward exceeds this, so you
slip backward.
As Robert Cohen wrote, this isn't what most folks, especially cartoonists,
think happen and I'm inclined to agree with them
http://bit.ly/vQ5mAP
John Mallinckrodt
Cal Poly Pomona
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