Equipment
Greetings Alois,
I wonder how does spin change after contacting a racquet that doesn't move.
I don't exactly, does spin return the same direction of rotation or reverse its direction? For example, after contacting the racquet against topspin, does it return backspin retaining its direction or does it return topspin reversing its direction.
Alois Rosario Answered 8 years ago
Hi Krishnagopal,
If the rubber is an inverted rubber with grip then when the topspin comes in the ball will actually change the direction of its spin and come out with topspin.
If the rubber doesn't have grip then the ball comes out without changing direction so it actually goes back to the opponent with backspin.
Take a look at this great blog and illustration by Greg Letts. How Long Pimples Really Work
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Thoughts on this question (4)
Krishnagopal Thogiti Posted 8 years ago
Thank you very much, Alois Rosario.
No problems
Sander De Boer Posted 2 years ago
This is also true with Sidespin? (Important for 3d ball)
Does the spin actually reverse?
D K Posted 2 years ago
Laws of physics ignore the spin direction.
The spin always reverses on inverted rubber no matter of the direction.
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