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範例:慣性定律與運動軌跡[94學測]

一小球在水平面上移動， 每隔0 .02 秒小球的位置如圖6 所示。每一段運動過程分別以甲、乙、丙、丁和戊標示。試問在哪一段， 小球所受的合力為零？(A)甲 (B)乙 (C)丙 (D)丁 (E)戊[94學測]

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Posted in 歷屆學測(推甄)考題, 歷屆學測試題, 牛頓第1運動定律, 牛頓運動定律.

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By 張慶堂 – 2014 年 10 月 22 日

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