41. Excess dimensionless shear stress is a nondimensional measure of bed shear stress about the threshold for motion. 42. To prevent erosion, vegetation helps reduce shear stress by covering the surface and mechanically binding soil together. 43. It also reduces the Reynolds shear stresses . 44. Real fluids display viscosity and so are capable of being subjected to low levels of shear stress . 45. Excess dimensionless shear stress is a nondimensional measure of bed shear stress about the threshold for motion. 46. This is one main difference between slip and climb, since slip is caused by only shear stress . 47. It has also been implicated as being vulnerable during shear stress during all movements of the forearm. 48. Momentum enters and leaves the shell through fluid entering and leaving the shell and through shear stress . 49. The equation can be applied either to the shear stress or to the uniform tension in a material. 50. In sheet material response to shear stress it is typical for a series of echelon cracks to form.
