Ketchup is a non-Newtonian fluid. Its viscosity changes to a less viscous state when sheer pressure is applied to it. Ketchup will slowly pour out of a bottle, but it will rocket out of a squeeze bottle or packet because it becomes significant;y less viscous when force is applied to it.
Ketchup is a non-Newtonian fluid. Its viscosity changes to a less viscous state when sheer pressure is applied to it. Ketchup will slowly pour out of a bottle, but it will rocket out of a squeeze bottle or packet because it becomes significant;y less viscous when force is applied to it.
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