Multiple choice

On which of the following factors fluid friction does not depend?

  1. Speed of body

  2. Shape of object

  3. Nature of fluid

  4. Nature of object
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Fluid friction depends on: speed of body (higher speed = more drag), shape of object (streamlined shapes reduce drag), and nature of fluid (more viscous fluids create more resistance). It does NOT depend on the nature (material/composition) of the object itself.

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