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施一力於質量為M的滑車上時,其加速度為a,若滑車上再負載質量為m之磚塊時,其加速度變為a/3,則兩者質量比M:m為多少?
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Posted in 牛頓第二運動定律.
Tagged with F=ma, 牛頓第二運動定律.
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By admin – 2010 年 10 月 22 日
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