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Unread 21-12-2007, 08:50
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Re: Contact Area and its Relation to Friction?

Quote:
Originally Posted by the spreadsheet
The force is the dynamic force to keep the tire sliding on the carpet once it is started.
Dynamic friction does depend on contact area.

Since static friction is greater than dynamic friction, your results don't say anything about what wheels would win a pushing contest. A robot with the wheels not sliding on the carpet is generally going to beat out a robot that's spinning its wheels.