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Question 30992
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Fluid Mechanics: Fluid Dynamics Advanced MCQ

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Fluid Dynamics AdvancedHardQuestion 30992

Question

Magnus effect (spinning ball curving in flight) is explained by:
  1. A
    Gravity only
  2. B
    Bernoulli's principle: spin creates speed differential on two sides
    Correct
  3. C
    Air compression ahead of ball
  4. D
    Ball's inertia

Correct answer

Bernoulli's principle: spin creates speed differential on two sides

Explanation

Spinning ball drags air: one side has higher speed (lower pressure) and other side has lower speed (higher pressure). Net pressure force causes the ball to curve.

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