The last post made several claims about topspin production. In this post, we will explore the physics behind them. Recall the illustrative picture of a tennis great from the last post: We can draw the same arrows in a more abstract manner like this: In order to make things easy, we will always draw that picture…
![](https://breakserve.com/wp-content/uploads/2014/08/spin_vectors_41-750x290.png)