請問一下這題機械力學，為何解答計算W沒有將前輪的 正向力N及摩擦力f考慮進去呢？
https://i.imgur.com/nlbBS6b.jpg
https://i.imgur.com/03ASw5o.jpg
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Sent from BePTT on my iPhone SE (2nd Gen)
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https://i.imgur.com/nlbBS6b.jpg
Sent from BePTT on my iPhone SE (2nd Gen)
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機械力學 - 考試
· 2022-12-19Table of Contents
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