A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an _____________ fluid?
Correct answer: A. Newtonian
- A. Newtonian
- B. Non-Newtonian
- C. Ideal
- D. Incompressible
Explanation
For a Newtonian fluid, shear stress is directly proportional to the rate of deformation, with the proportionality constant equal to viscosity. Non-Newtonian fluids do not maintain this linear relationship.
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