Perhaps few physical concepts have received less attention relative to their importance than friction. Learning the 'effective' notions of static and sliding ... for example, yet it is sometimes ...

Conversely, sliding ... friction of the various particles based on their data. These figures can be used in computer models to simulate suspensions with a large fraction of particles, for example ...

Atomic force microscopes typically operate at sliding amplitudes of a few ... of friction and wear has been demonstrated, there are fundamental questions that still need answering. For example ...