5 Questions
What is the definition of rheology?
The study of the deformation of matter under stress
Which type of deformation is reversible and exhibited by elastic bodies?
Elastic deformation
Which type of liquids follow Newtonian’s law of flow and have constant viscosity?
Water and glycerol
What does viscosity express in a fluid?
The resistance to flow
Which type of deformation is permanent and exhibited by viscous bodies?
Irreversible deformation
Study Notes
Rheology
- Rheology is the study of the flow and deformation of materials.
Deformation
- Elastic bodies exhibit reversible deformation.
- Viscous bodies exhibit permanent deformation.
Fluid Dynamics
- Newtonian fluids are a type of liquid that follow Newton's law of flow and have a constant viscosity.
- Viscosity is a measure of a fluid's resistance to flow, expressing the frictional force that arises between adjacent layers of fluid.
Note: Rheology is a broad field that encompasses the study of both solids and fluids, but the questions provided primarily focused on fluids, so the study notes are accordingly tailored.
Test your understanding of rheology and viscosity in physical pharmacy with this quiz. Learn about the science concerned with the deformation of matter under stress and the expression of resistance to flow.
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