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Fluid Dynamics - Drag

7 Questions
Physics Quizzes & Trivia
Questions and Answers
  • 1. 
    Using your knowledge on fluid dynamics, identify how the impact of drag on a golf ball during flight can be reduced.
    • A. 

      Altering the shape

    • B. 

      Using the dimple design of the golf ball

    • C. 

      Club selection

    • D. 

      Changing the angle of attack during the swing

  • 2. 
    As the ball changes shape during flight, it is said to be ___________.
    • A. 

      Round

    • B. 

      Streamlined

    • C. 

      Optimal

    • D. 

      Longitudinal

  • 3. 
    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.
    • A. 

      True

    • B. 

      False

  • 4. 
    The dimple design assists in creating________
    • A. 

      Lift (through Magnus Effect)

    • B. 

      A boundary layer

    • C. 

      Forward momentum

    • D. 

      Forward spin

  • 5. 
    Wave drag occurs at the interface of _________ fluids
    • A. 

      Three

    • B. 

      Two

    • C. 

      Water

  • 6. 
    Wave drag will effect________ of the golf ball
    • A. 

      Velocity

    • B. 

      Spin

    • C. 

      Direction

    • D. 

      All of the above

  • 7. 
    How can the effects of wave drag be reduced during ball flight?
    • A. 

      Through the ball changing shape i.e. streamlined

    • B. 

      Increasing the number of dimples on the ball

    • C. 

      Avoid playing during wet conditions!

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