I thought friction was friction. Are there varieties?

Subject: I thought friction was friction. Are there varieties?

Date: Sun Feb 18 15:29:13 2001
Posted by Roger
Grade level: nonaligned School: No school entered.
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Area of science: Physics
ID: 982528153.Ph

Message:


In an old horology encylopedia there was a short piece and ilustration 
defining "engaging friction and disengaging friction".  One which "digs in" the 
other lifting as it goes along. The ilustration shows a tool like a burnisher 
going over a surface at the same angle--one, pushing, the other pulling. Is 
this specialized jargon OR does it have a broader context? Than-you.

Re: I thought friction was friction. Are there varieties?

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