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Define viscosity...?? ✍✍✍✍✍✍✍ |
| Answer» Viscosity\xa0is a measure of a fluid\'s resistance to flow.It describes the internal friction of a moving fluid. A fluid with large\xa0viscosity\xa0resists motion because its molecular makeup gives it a lot of internal friction.\xa0The SI\xa0unit\xa0for dynamic\xa0viscosity\xa0η is the Pascal-second (Pa-s), which corresponds to the force (N) per\xa0unit\xa0area (m2) divided by the rate of shear (s-1). | |