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Non-Newtonian fluids - Science Learning Hub
Non-Newtonian fluids change their viscosity or flow behaviour under stress. If you apply a force to such fluids (say you hit, shake or jump on them), the sudden application of stress can cause them to get thicker and act like a solid, or in some cases it results in the opposite behaviour and they may get runnier than they were before.
What are Newtonian and Non-Newtonian Fluids and What are …
There are several subcategories of Non-Newtonian fluids: These fluids become less viscous as the shear rate increases. Ketchup is a classic example. In simple terms, it becomes thinner and flows more easily when subjected to higher shear forces. Examples of pseudoplastic fluids include ketchup and yogurt.
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