👉 A resistant fluid, also known as a non-Newtonian fluid, is a type of fluid that exhibits a viscosity that changes in response to applied stress or shear rate. Unlike Newtonian fluids, which maintain a constant viscosity regardless of the applied force, resistant fluids display varying viscosity depending on how much force is applied. This means that when a resistant fluid is subjected to stress, it can either become more fluid (shear-thinning) or more viscous (shear-thickening). Examples include ketchup, blood, and certain types of polymer solutions. This unique property makes resistant fluids particularly interesting in various scientific and industrial applications, such as in the formulation of cosmetics, paints, and even in medical treatments.
