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範例:加速系統與彈力

將力常數為k,分成長度比為1:1AB兩段後,將質量m的物體綁在彈簧上(如圖),並置於以a作等加速度向右運動的車上,不計摩擦,則(A)物體m所受之淨力為ma,方向向右 (B)A彈簧被壓縮 (C)B彈簧被壓縮 ()A彈簧之壓縮量為ma/4k(E)B彈簧之壓縮量為ma/2k


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