Liquids are usually treated as incompressible because:

  1. their density changes very little under pressure
  2. they have no mass
  3. they are viscous
  4. they always flow turbulently
Answer

A) their density changes very little under pressure

Molecules are already close together. SLO P-11-B-35 · Knowledge

Physics MCQ · More Fluid Statics and Dynamics MCQs · Practise