• Home
  • Blog
  • What Causes Spin?
  • Things that Affect Spin
  • Speed and Spin off the Rubber
    • Antispin
    • Pips/Pimpled Rubber
  • How Spin Works
  • The Tests
    • Hypotheses
    • Method
    • Results
  • Part 2
    • Background
    • Method
    • Results & Discussion

Things That Affect Spin

Direction of the racket's movement.
Speed of the racket's movement.
Speed of the ball hitting the racket.
Speed of the ball hitting the table.
Angle of the racket.
Angle of the ball hitting the table.
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Obviously, the direction of the racket's movement would change the type of spin on the ball. If the racket moves up, the top of the ball will spin forwards, if the the racket moves down, the bottom of the ball will spin forwards. If the racket moves sideways, one side of the ball will spin forwards, the other backwards.
Speed of the racket's movement would also affect the spin on the ball. If the racket is moving quicker, the friction point on the ball will be pushed at that speed, making it spin faster.
The angle of the racket can also change the type and strength of the spin. If a ball hits the racket at exactly 90°, no spin will be generated, as the momentum goes straight into the racket. If a ball only just brushes the racket, it will not stop much momentum, and more spin will be generated. The exact same thing happens when the ball hits the table. If the ball is hit closer to parallel to the table, more spin will be generated.
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As you may have noticed, the two diagrams abve are exactly the same. They are merely shown at different angles.

The reason the arrow closest to the racket is not parallel, is because, at the exact time of contact, the momentum is still towards the racket. That is where the spin generates.

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  • Home
  • Blog
  • What Causes Spin?
  • Things that Affect Spin
  • Speed and Spin off the Rubber
    • Antispin
    • Pips/Pimpled Rubber
  • How Spin Works
  • The Tests
    • Hypotheses
    • Method
    • Results
  • Part 2
    • Background
    • Method
    • Results & Discussion