5 Questions
What is the definition of a fluid in physics?
A substance that may continuously move and deform under applied shear stress
What is the shear modulus of fluids?
Zero
In which field can substances exhibit both fluid and solid properties?
Particle physics
What behavior do non-Newtonian fluids like Silly Putty exhibit when a sudden force is applied?
They behave similar to a solid
What is the extended concept of fluid in particle physics?
Fluidic matters other than liquids or gases
Study Notes
Definition and Properties of Fluids
- A fluid is a substance that flows and has no fixed shape, taking the shape of its container.
Mechanical Behavior of Fluids
- Fluids do not have a shear modulus, as they do not resist shear stress.
- In rheology, substances can exhibit both fluid and solid properties, depending on the stress applied.
Non-Newtonian Fluids
- Non-Newtonian fluids, like Silly Putty, exhibit non-linear behavior when a sudden force is applied, where their viscosity changes in response to the force.
Extended Concept of Fluid in Particle Physics
- In particle physics, the concept of a fluid is extended to describe the behavior of particles in high-energy collisions, where particles can exhibit fluid-like behavior.
Test your knowledge of fluid mechanics with this quiz! Explore the properties and behavior of liquids and gases under shear stress and external forces. From viscosity to fluid dynamics, challenge yourself with questions on this fundamental concept in physics.
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