[理工] [動力] 台大97
http://www.lib.ntu.edu.tw/exam/graduate/97/97234.pdf
1.第一題:求xyz方向運動方程式,是畫出等效動力圖,然後分別列出xyz
方向的式子即可嗎?
2.第三題的(a):直線運動的原因是因為到冰湖時的加速度和摩擦力都在
同一條線上這樣嗎?所以畫圖只需標出摩擦力?
(d):這題關係怎麼求呢@@
2.第四題的(e):可以直接寫繞z軸往圓錐底部滑動嗎?
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