力與運動~~拋籃球 - 運動
By Liam
at 2010-08-18T00:00
at 2010-08-18T00:00
Table of Contents
小田將籃球自a處垂直上拋,到最高處b,再下墜至原處,下列敘述何者正確?(不考慮空氣阻力)A籃球自a→b所受合力向上,由b→a所受合力向下B籃球在b點瞬間靜止,為靜力平衡,故我受合力為零請問 A和B選項各錯在哪?跟加速度方向有關嗎? 那合力呢?請將此兩選項說明~並解釋~說明哪錯該��
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運動
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By Freda
at 2010-08-21T06:53
at 2010-08-21T06:53
By Carol
at 2010-08-21T09:50
at 2010-08-21T09:50
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