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範例:水平加速座標與粗糙斜面(三)

如圖質量10kg之物體置於活動的粗糙斜面上,斜面以3公尺∕秒2之等加速度向左運動,則欲使物體不沿斜面滑動, (1)斜面對物體的正向力大小為多少? (2)物體與斜面間之摩擦力為多少?(3)此時靜摩擦係數最小值為多少? (g=10 m/sec2)


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Posted in 牛頓第二運動定律.

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By admin – 2008 年 12 月 08 日

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