國三理化牛頓第一運動定律(20點) - 運動
By Jack
at 2010-09-07T00:00
at 2010-09-07T00:00
Table of Contents
小維做了一個實驗,圖形敘述如下:甲乙為一斜面,乙丙為一平面,丙丁為一斜面,甲和丁的高度相同,甲乙的斜面比丙丁斜面高他將小鐵球放在光滑的料面上,若不考慮摩擦力,阻力,小球由甲滑下後,會滑向丙丁斜面等高處,則下列敘述何者正確?(A)由甲至乙,小球是慣性運動(B)由乙至丙,小球所受合力
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運動
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By Daph Bay
at 2010-09-07T11:14
at 2010-09-07T11:14
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