[學術] 靜力學分析
求未知數P1~P4, 為什麼F/4怎來的?
力平衡:P1+P2+P3+P4=-F
Mi合力矩等於0
Mj合力矩等於0
三個方程式求四個未知數?
求各位大大詳細解析 謝謝 有錯請指正
http://i.imgur.com/yYwwEXm.jpg
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