# 馬格努斯效應

## 馬格努斯效應的計算

${\displaystyle {\vec {F_{M}}}=S({\vec {\omega }}\times {\vec {v}})}$

## 在空中一個旋轉的球的舉例

${\displaystyle {F}={\frac {1}{2}}\rho v^{2}AC_{L}}$
F = 升力lift force
${\displaystyle \rho }$ =流體的密度
v = 球的速度
A = 球的橫截面積
CL = 升力係數

## 參考資料和連結

1. ^ Isaac Newton, "A letter of Mr. Isaac Newton, of the University of Cambridge, containing his new theory about light and color," Philosophical Transactions of the Royal Society, vol. 7, pages 3075-3087 (1671-1672）. (Note: In this letter, Newton tried to explain the refraction of light by arguing that rotating particles of light curves as they moved through the hole as a rotating tennis ball curves as it moves through the air.)
2. ^ http://fy.chalmers.se/~f3aamp/f1/bollprojekt/fotboll.pdf
3. ^ Bearman, P W, and J K Harvey. "Golf Ball Aerodynamics." Aeronautical Quarterly. XXVII. (1976):112-122. Print.