Physics · Fluid Mechanics
In a laminar flow between two parallel plates, where one plate is stationary and the other moves at a constant velocity, how does Newton's Law of Viscosity relate the velocity gradient to shear stress?
- 1The velocity gradient decreases with an increase in the distance between the plates.
- 2The velocity gradient remains constant regardless of the fluid's viscosity.
- 3The velocity gradient is inversely proportional to the shear stress and directly proportional to the fluid's viscosity.
- 4The velocity gradient is directly proportional to the shear stress and inversely proportional to the fluid's viscosity.✓
Correct answer
The velocity gradient is directly proportional to the shear stress and inversely proportional to the fluid's viscosity.
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