what is viscosity?and whats formula for it
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what is viscosity?and whats formula for it
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Explanation:
Viscosity is a measure of a fluid's resistance to flow. It describes the internal friction of a moving fluid. A fluidwith large viscosity resists motion because its molecular makeup gives it a lot of internal friction.
Answer:
The viscosity of a fluid is a measure of its resistance to deformation at a given rate. For liquids, it corresponds to the informal concept of "thickness": for example, syrup has a higher viscosity than water. Units. The SI unit of dynamic viscosity is the newton-second per square meter (N. s/m2), also frequently expressed in the equivalent forms pascal-second (Pa. s) and kilogram per meter per second (kg.Symbol
Formally, viscosity (represented by the symbol η "eta") is the ratio of the shearing stress (F/A) to the velocity gradient (∆vx/∆z or dvx/dz) in a fluid.
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