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What is the primary cause of viscosity in fluids?

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Question: What is the primary cause of viscosity in fluids?

Options:

  1. Molecular interactions
  2. Temperature
  3. Pressure
  4. Density

Correct Answer: Molecular interactions

Solution:

Viscosity arises primarily from molecular interactions within the fluid, which resist flow.

What is the primary cause of viscosity in fluids?

Practice Questions

Q1
What is the primary cause of viscosity in fluids?
  1. Molecular interactions
  2. Temperature
  3. Pressure
  4. Density

Questions & Step-by-Step Solutions

What is the primary cause of viscosity in fluids?
  • Step 1: Understand that viscosity is a measure of a fluid's resistance to flow.
  • Step 2: Recognize that fluids are made up of tiny particles called molecules.
  • Step 3: Know that when these molecules move past each other, they can interact with one another.
  • Step 4: Realize that these interactions can create friction, which makes it harder for the fluid to flow.
  • Step 5: Conclude that the primary cause of viscosity is these molecular interactions that resist the movement of the fluid.
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