Question

viscosity and its diamention

Answer 1

The dynamic viscosity has the dimension ML-1T-1 and the unit of kg/m.s (or, N.s/m2 or Pa.s). A common unit of dynamic viscosityis poise which is equivalent to 0.1 Pa.s. ... Typical values of kinematicviscosity of air and water at atmospheric temperature are 1.46 x 10-5 m2/s and 1.14 x 10-6 m2/s, respectively
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Answer 2

when a body slides over a surface,there is a force opposing the motion of the body is called frictional force.similarly the tendency of fluids to oppose the relative motion of its layers is called viscosity.

dimension: [M1 L-1 T-1]