This is just here as a test because I lose it
Term information
definition
A shear stress, denoted \tau\, (Greek: tau), is defined as a stress which is applied parallel or tangential to a face of a material, as opposed to a normal stress which is applied perpendicularly. SI symbol: SI unit: pascal Derivations from other quantities: = F / A source: http://en.wikipedia.org/wiki/Shear_stress