Properties of friction during the impact between tennis racket surface and ball

Abstract

The feel of hitting a ball with a tennis racket has been quantified by vibrations to the hand and by the coefficient of restitution. As play styles are shifting toward hitting with topspin to the ball, the friction between the ball and racket surface, in other words tangential forces in the racket surface, is becoming another index to quantify the feel. In this work, we detect friction by attaching two strain gauges close to the center of right and left frames supporting the cross strings at the middle, and aim to understand the mechanism behind friction from the viewpoint of difference in the angle of incidence of the ball when impacting the racket surface. Results suggest that there is a critical angle of incidence between 45 and 30 degrees, and that this angle is related to the feel.

Comparative analysis of wilson nxt brand string tension on wilson hyper hamer 7.5 racket against wilson and nassau ball bounce on court tennis

“…According to Sunaryadi (2010), by adjusting the tension of the racket rope, tennis players can adjust the amount of power or control obtained from various types of racket strings with a thick or thin diameter. The impact (hit) of the ball with the strings of the racket (Baszczyński et al, 2016;Maeda & Okauchi, 2010). This tension is a tension that is often used by players, but there are some problems in the field, especially for beginner athletes, they are very new in choosing the ideal racket tension for the racket used, to produce a normal ball bounce (Akca et al, 1999).…”

Experimental and theoretical study of the oblique impact of a tennis ball with a racket

“…Maeda and Okauchi 20 used a new technique by attaching strain gauges on the strings. The difference in strain between the strain gauges was used to measure the friction on the racket.…”