Abstract
The banana ball is a famous way to score goals in football matches. In the flight, the ball bypasses the defensive wall, giving the goalkeeper the illusion that the ball is far away from the goal, and then the ball will suddenly change direction. In order to improve the scoring probability and make training more efficient and scientific, in this article, the mechanics principle of banana ball is analyzed. A complete and comprehensive analysis of the ball motion from kick-out to flight in the air is presented. The analysis of flight considers the magnitudes of air resistance, Magnus force and Bernoulli's principle. The complete equation of motion is established. The numerical simulation by Matlab is used to simulate flight path. The flight curve of banana ball is successfully simulated. The result is consistent with real phenomenon. This article is useful for athletes and football lovers with interest in banana ball practice.
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