基礎物理力矩平衡與質心座標 - 考試
By Faithe
at 2013-02-19T14:08
at 2013-02-19T14:08
Table of Contents
第一題力矩平衡題型:http://ppt.cc/-gmt 答案是35公斤
我的算法是施力臂=抗力臂,75*1=孩重*3,所以小孩重25公斤殘念...
我知道應該要考慮木板重,但是我的參考書有點精簡沒交代清楚,想來問問各位!
第二題是要找質心座標:http://ppt.cc/dG4A 答案是(1.6,3.6)
問題很淺,各位有空在幫小弟解惑!謝謝^^
--
我的算法是施力臂=抗力臂,75*1=孩重*3,所以小孩重25公斤殘念...
我知道應該要考慮木板重,但是我的參考書有點精簡沒交代清楚,想來問問各位!
第二題是要找質心座標:http://ppt.cc/dG4A 答案是(1.6,3.6)
問題很淺,各位有空在幫小弟解惑!謝謝^^
--
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