The viscous force between layers of a fluid depends on:

  1. only the density
  2. the velocity gradient between the layers
  3. the atmospheric pressure
  4. the colour of the fluid
Answer

B) the velocity gradient between the layers

Newton's law of viscosity: F = eta A Delta vDelta y. SLO P-11-B-41 · Understanding

Physics MCQ · More Fluid Statics and Dynamics MCQs · Practise