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Date:         Fri, 18 Apr 2003 09:33:42 -0400
Reply-To:     John Jensen <mudbug@TOAD.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         John Jensen <mudbug@TOAD.NET>
Subject:      Tires inertia
Comments: To: Damon Campbell <damoncampbellvw@YAHOO.COM>
In-Reply-To:  <20030418002319.21552.qmail@web13108.mail.yahoo.com>
Content-Type: text/plain; charset="us-ascii"


What you say is true, but also consider: What we are talking about is
acceleration (F=MA).  Without input of energy, the rolling tire is going
to decelerate due to friction.  The energy required to maintain a given
speed  is an acceleration and therefore is greater for a greater mass.
IMHO.


John Jensen, Mudbug Pottery
mudbug@toadhouse.com , http://www.toadhouse.com


>A heavier wheel takes more energy to GET going... once
>it is going, it takes the same energy to keep moving.
>First order approximation, of course.


A
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