Question

what is shear stress

Answer 1

Shear stress, force tending to cause deformation of a material by slippage along a plane or planes parallel to the imposed stress.

Answer 2

Shear stress, force tending to cause deformation of a material by slippage along a plane or planes parallel to the imposed stress. The resultant shear is of great importance in nature, being intimately related to the downslope movement of earth materials and to earthquakes.