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範例:靜力平衡與牛頓第三運動定律[103學測]

一金屬球以質量可忽略的細線靜止懸掛於天花板,如圖所示。此系統相關的受力情況如下:W1為金屬球所受的重力,W2為金屬球對地球的引力,T1為懸線施於金屬球的力,T2為懸線施於天花板的力,T3為金屬球施於懸線的力。下列敘述哪些正確?(應選3項)(A) T1T2互為作用力與反作用力(B) W1W2互為作用力與反作用力(C) T1T3互為作用力與反作用力
(D) T1W1互為作用力與反作用力(E) T1T2T3W1W2的量值均相等

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Posted in 歷屆學測(推甄)考題, 歷屆學測試題, 牛頓第3運動定律, 牛頓運動定律.

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