Forces on a Soccer Ball
According to เว็บแทงบอลที่ดีที่สุด , all size 5 soccer balls used in competition must have a PSI between 8.5 and 15.6, and a good rule to follow for other sizes is anywhere between 8.7 and 11.6 PSI. Now that we have talked about the outside of soccer balls, it is time to talk about the inner … Read more