docs/school/5-phy/b5-%E5%8B%95%E9%87%8F-%E5%8A%9B%E5%92%8C%E9%81%8B%E5%8B%95/

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docs/school/5-phy/b5-%E5%8B%95%E9%87%8F-%E5%8A%9B%E5%92%8C%E9%81%8B%E5%8B%95/

線動量-ppp (kgms−1kgms^{-1}kgms−1) p=mv p = mv p=mv 動量 (ppp) 質量 (mmm) 速度 (vvv) 動量的改變和淨力 F合力=mv−mut F_{\text{合力}} = \frac{mv-mu}{t} F合力​=tmv−mu​ ↓ \downarrow ↓

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