What are Bingham plastic fluids? Give examples.
Ans: Some materials such as toothpastes and mayonnaise can resist a finite shear stress behaving like a solid but deform continuously when shear stress exceeds the yield stress and starting behaving as fluids.
These are the non-Newtonian fluids i.e. the relationship between shear stress and shear strain rate is non-linear.
The following video shows an example and demonstration of the Bingham plastic fluid.
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