Viscosity is:

  1. the internal friction of a fluid that resists flow
  2. the pressure of a fluid
  3. the buoyancy of a fluid
  4. the density of a fluid
Answer

A) the internal friction of a fluid that resists flow

It opposes relative motion of layers. SLO P-11-B-41 · Understanding

Physics MCQ · More Fluid Statics and Dynamics MCQs · Practise