What is viscosity?

Understand the Problem
The question is asking for the definition of viscosity. You should select the option that best describes what viscosity is.
Answer
Internal resistance to flow
Viscosity is the internal resistance to flow of a fluid.
Answer for screen readers
Viscosity is the internal resistance to flow of a fluid.
More Information
Viscosity is a key property in many applications, including lubrication, mixing, and fluid transport. It's affected by factors like temperature and pressure; as temperature increases, viscosity typically decreases (liquids flow more easily when heated).
Tips
A common mistake is confusing viscosity with density. Density is mass per unit volume, while viscosity is resistance to flow. Although related, they are distinct properties.
Sources
- DEFINITION OF VISCOSITY - princeton.edu
- Viscosity - Wikipedia - en.wikipedia.org
- Viscosity: Comprehensive Guide (Easy to Understand) - Fluid-Bag - fluid-bag.com
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