[力學] 平衡球棒的問題

[Lheavens (Lash)]

It is easier to balance a baseball bat with your finger at the thin end.

Try it and explain why.


我物理很爛....和同學的討論過程中有人以質心為轉點，有人以手為轉點...然後

討論不出個所以然，麻煩各位先賢賜教了

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