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Viscosity is the resistance of a fluid (liquid or gas) to a change in shape or movement of neighbouring portions relative to one another. Viscosity denotes opposition to flow.
Viscosity can be not only a fluid’s resistance to flow but also a gas’ resistance to flow, change shape or movement. The opposite of viscosity is fluidity which measures the ease of flow while liquids such as motor oil or honey which are “sluggish” and high in viscosity are known as viscous.
What is viscosity. What are dynamic and kinematic viscosity. Learn their equations, units, and symbols. Also, learn high-viscosity vs. low-viscosity fluids.
Viscosity is defined scientifically as a force multiplied by a time divided by an area. Thus its SI units are newton-seconds per square meter, or pascal-seconds. [1] Viscosity quantifies the internal frictional force between adjacent layers of fluid that are in relative motion. [1]
Viscosity looks at the difference in the rate of flow or deformation between between molecules a certain distance from a surface and those at the liquid-surface interface. Multiple factors influence viscosity.
Viscosity is a fluids resistance to flow. This page details why certain liquids flow easily while others are slow as molasses.
Viscosity is a fluids resistance to flow. This page details why certain liquids flow easily while others are slow as molasses.