Frank, I'd like to understand what you're saying; could you clarify please? If there is no sliding friction, then what kind of friction is it? Do you mean to say that the parts do not slide, or that they slide with no friction? thanks Mike pianoguru at cox.net wrote: > there is no sliding friction. The two surfaces roll together synergistically. There is still a certain amount of friction, but not so much as with sliding contact conditions. >
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