On the other hands of ketchup sample, the behavior is an exponential
line which the relationship F′/S is not a constant. Thus, the experimental
parameters of Viscometer model, spindle and speed all have an effect on the
measured viscosity of a non-Newtonian fluid. This measured viscosity is called
the apparent viscosity of the fluid and is accurate only when explicit
experimental parameters are furnished and adhered to. As they pass by each
other, as happens during flow, their size, shape, and cohesiveness will
determine how much force is required to move them. At each specific rate of
shear, the alignment may be different and more or less force may be required
to maintain motion. This type of flow behavior is sometimes called shearthinning.