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範例:牛頓第二運動定律與繩索滑動

如圖所示,均勻細繩長L公尺,用手固定靜置於光滑水平桌面上,有L/3公尺垂下,若繩重M kg,當放手後,至下垂部份長2L/3之瞬間,繩子中點(離底端L/2)處之張力為多少?


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Posted in 牛頓第二運動定律.

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By admin – 2010 年 10 月 29 日

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