Learning Path
Question & Answer1
Understand Question2
Review Options3
Learn Explanation4
Explore TopicChoose the Best Answer
A
Streamlining
B
Viscosity
C
Turbulence
D
Gravity
Understanding the Answer
Let's break down why this is correct
Answer
Gas film effects act like a thin cushion of air that keeps moving surfaces apart, cutting down the rubbing that normally creates friction. Likewise, when fluid flows in a smooth, laminar pattern it meets less resistance and can move faster, so the flow is more efficient. Both situations lower drag and improve performance. For example, a bicycle tire with a small air film slides more easily, just as a pipe with laminar flow lets water pass with minimal friction. Thus, gas film effects reduce friction as laminar flow enhances fluid flow.
Detailed Explanation
When an object has a smooth, curved front it lets the surrounding fluid glide past with little push. Other options are incorrect because Some think that a thick fluid helps it flow faster; A chaotic swirl is often seen as powerful, but it adds resistance and slows things.
Key Concepts
Friction reduction
Fluid dynamics
Gas behavior
Topic
Friction Behavior Demonstration
Difficulty
medium level question
Cognitive Level
understand
Practice Similar Questions
Test your understanding with related questions
1
Question 1You are conducting a physics demonstration where you need to slide a heavy block across a surface with minimal resistance. You decide to use a gas to reduce friction. Which of the following methods would be most effective in demonstrating the principles of reduced friction using gas?
easyPhysics
Practice
2
Question 2How does the introduction of gas in a friction behavior demonstration affect the motion of an object on a flat surface?
hardPhysics
Practice
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