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dc.contributor.authorDahmen, Silvio Renatopt_BR
dc.contributor.authorFarkas, Zénópt_BR
dc.contributor.authorHinrichsen, Hayept_BR
dc.contributor.authorWolf, Dietrich Emilpt_BR
dc.date.accessioned2014-08-22T02:11:07Zpt_BR
dc.date.issued2005pt_BR
dc.identifier.issn1539-3755pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/101613pt_BR
dc.description.abstractWe show that the static friction force which must be overcome to render a sticking contact sliding is reduced if an external torque is also exerted. As a test system we study a planar disk lying on a horizontal flat surface. We perform experiments and compare with analytical results to find that the coupling between static friction force and torque is nontrivial: It is not determined by the Coulomb friction laws alone, instead it depends on the microscopic details of friction. Hence, we conclude that the macroscopic experiment presented here reveals details about the microscopic processes lying behind friction.en
dc.format.mimetypeapplication/pdf
dc.language.isoengpt_BR
dc.relation.ispartofPhysical review. E, Statistical, nonlinear, and soft matter physics. Vol. 71, no. 6 (June 2005), 066602, 5 p.pt_BR
dc.rightsOpen Accessen
dc.subjectFricçãopt_BR
dc.subjectTorquept_BR
dc.titleMacroscopic diagnostics of microscopic friction phenomenapt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000534105pt_BR
dc.type.originEstrangeiropt_BR


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