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範例:水平加速座標(與假想力)

質量為2kg的小球,以線懸於火車車廂的天花板下,當火車加速度10 m/s2水平前進,而懸線相對於車廂靜止,假設g=10 m/s2,則(1)懸線與鉛直方向的夾角有多大? (2)線的張力為何? 【83華江】


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Posted in 牛頓第二運動定律.

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By admin – 2008 年 12 月 05 日

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