I'm working on a project and I need to know if the viscosity effects on the surface tension or not?

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    $\begingroup$ No, they arise from totally different mechanisms. It's possible you'll find specific systems where viscosity and surface tension are correlated, but in general there is no correlation. $\endgroup$ Commented Nov 27, 2015 at 11:22

1 Answer 1



$\mathbf{\text{Viscosity}}$: it arises from cohesive forces between the (similar) molecules & the momentum exchange between the adjacent/consecutive layers of a fluid.

$\mathbf{\text{Surface tension}}$: it arises only from the cohesive forces between the similar molecules at the free surface & the molecules inside of a fluid

  • $\begingroup$ So aren't both dependent upon the strength of the cohesive forces? $\endgroup$ Commented Nov 27, 2015 at 11:52
  • $\begingroup$ So, What's my answer?? $\endgroup$
    – David 2000
    Commented Nov 27, 2015 at 13:38

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