[請益] 急請益歐陽工程力學(含圖)
1. http://ppt.cc/FA6d
2. http://ppt.cc/dDoQ
我的2個問題在這裡:
http://ppt.cc/AjZV
2.(2)指的是為什麼有些題目算摩擦力恰移動時,
是用靜力平衡,有些是用牛頓第二定律。
兩個小問題想不通…
不知道各位讀過這本的前輩或看懂圖上解析的能否給我一點方向或說明呢?
謝謝!!!
若是這樣犯法,我馬上修改。
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