Fluid Dynamics - Drag

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| By Ags2511
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Ags2511
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Quizzes Created: 8 | Total Attempts: 21,324
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  • 1/7 Questions

    Wave drag occurs at the interface of _________ fluids

    • Three
    • Two
    • Water
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About This Quiz

Explore the principles of fluid dynamics as applied to golf ball flight. This quiz tests understanding of drag reduction, the effects of streamlining, and the role of dimple design in enhancing performance. Ideal for learners interested in physics or sports engineering.

Fluid Dynamics Quizzes & Trivia

Quiz Preview

  • 2. 

    As the ball changes shape during flight, it is said to be ___________.

    • Round

    • Streamlined

    • Optimal

    • Longitudinal

    Correct Answer
    A. Streamlined
    Explanation
    When the ball changes shape during flight, it is said to be "streamlined." This means that the ball is designed in a way that reduces air resistance and allows it to move through the air more efficiently. A streamlined shape helps the ball maintain a steady and smooth trajectory, making it more aerodynamic. This is important in sports such as soccer or baseball, where the shape of the ball can greatly affect its speed and accuracy when thrown or kicked.

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  • 3. 

    How can the effects of wave drag be reduced during ball flight?

    • Through the ball changing shape i.e. streamlined

    • Increasing the number of dimples on the ball

    • Avoid playing during wet conditions!

    Correct Answer
    A. Through the ball changing shape i.e. streamlined
    Explanation
    The streamlined effect of the ball is significant reducing the effects of wave drag

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  • 4. 

    Wave drag will effect________ of the golf ball

    • Velocity

    • Spin

    • Direction

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    A golf ball in flight (air fluid) comes into contact with rain (water fluid)
    This will effect the velocity, spin and direction of the ball

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  • 5. 

    By making the ball more streamlined during flight, it increases the amount of air that omes into contact with ball. This reduces the energy lost from the ball and allows the ball to continue in it's intended state of motion.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    It reduces the amount of air that comes into contact with the ball, and therefore reduces the energy lost from the ball

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  • 6. 

    The dimple design assists in creating________

    • Lift (through Magnus Effect)

    • A boundary layer

    • Forward momentum

    • Forward spin

    Correct Answer(s)
    A. Lift (through Magnus Effect)
    A. A boundary layer
    Explanation
    The dimples create lift (through Magnus Effect) and create a BOUNDARY LAYER, which uses air at the front of the ball to deflect air molecules away

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  • 7. 

    Using your knowledge on fluid dynamics, identify how the impact of drag on a golf ball during flight can be reduced.

    • Altering the shape

    • Using the dimple design of the golf ball

    • Club selection

    • Changing the angle of attack during the swing

    Correct Answer(s)
    A. Altering the shape
    A. Using the dimple design of the golf ball
    Explanation
    Drag, in particular form drag can be seriously reduced by changing the shape of the golf ball and using the dimple design of the ball.

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Quiz Review Timeline (Updated): Mar 19, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 21, 2012
    Quiz Created by
    Ags2511
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