漂浮球、旋球的原理 - 排球

By Jacky
at 2009-04-24T16:27
at 2009-04-24T16:27
Table of Contents
剛爬了一下,好像沒有類似問題討論過,
飄球顧名思義就是在空中會有不固定的飄移產生,有點類似棒球裏蝴蝶球的原理,
另一種常見的旋球利用手腕包球,讓球產生旋轉,厲害的接起來不僅又重,甚至有燙
手的錯覺,並且,路徑上若和直線比較,會有許下墜,讓人有提前落地之感。
棒球版很多人會去討論球的旋轉,請問有沒有內行的前輩能用力學解釋一下排球的旋
轉以及變化的原理呢?小的極嫩,在這方面又完全是大外行,但對這很好奇。
感恩!
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