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The author has 14 posts.

【原创公式】平面向量加法公式

Floor 15 巨大八爪鱼 12/14/14 2:33

回复:13楼

以水平虚线建立极坐标系。

F1=2vec30°意思是说F1的大小为2N,方向为极坐标系30°方向上

Floor 16 巨大八爪鱼 12/14/14 11:00
计算器已做出!:
http://zh.arslanbar.net/post.php?t=20636
Floor 17 巨大八爪鱼 12/14/14 11:11
案例:

昨天晚上发的13F那幅图算错了,故重发
Floor 18 巨大八爪鱼 12/14/14 11:12
 根据计算器
24vec 150 ° + 6.976 vec 294 ° = 18.80869090254656 vec 162.592°

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