what is viscosity in physics
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Viscosity, 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. The reciprocal of the viscosity is called the fluidity, a measure of the ease of flow
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Viscosity refers to the thickness of fluid. ... Similar to friction between moving solids, viscosity will determine the energy required to make a fluid flow. In physics, viscosity is often expressed using Isaac Newton's equation for fluids, which is similar to Newton's second law of motion.
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