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動畫:自由落體與鉛直面圓周運動(二)(Free body & Vertical Circular Motion)

當一個自由物體在鉛直面光滑軌道上運動時,為保持其圓周運動,其運動的速度需滿足一些必要的條件.
試著改變物體釋放的高度,您發現什麼現象嗎?
動畫中的R表示右邊小圓的半徑.
Reset狀態下,可直接拖曳物體至左邊不同高度後釋放

<<<若動畫檔案無法撥放,請下載 flash player 並依指示安裝.>>>

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Posted in 動力學, 重力位能.

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