英语翻译the triangular plate ABC is supported by ball-and-socket joints at B and D and is held in the position shown by cables AE and CF.If the force exerted by cable AE at A is 220 lb,determine the moment of that force about the line joining poi
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英语翻译the triangular plate ABC is supported by ball-and-socket joints at B and D and is held in the position shown by cables AE and CF.If the force exerted by cable AE at A is 220 lb,determine the moment of that force about the line joining poi
英语翻译
the triangular plate ABC is supported by ball-and-socket joints at B and D and is held in the position shown by cables AE and CF.If the force exerted by cable AE at A is 220 lb,determine the moment of that force about the line joining points D and B
英语翻译the triangular plate ABC is supported by ball-and-socket joints at B and D and is held in the position shown by cables AE and CF.If the force exerted by cable AE at A is 220 lb,determine the moment of that force about the line joining poi
就是求在AE上的力对“轴”DB的力矩,力对轴之矩~懂吗?
三角盘球是由美国广播公司的支持及插座接头在B和D,并举行了AE和CF.If部队通过有线电视电缆产生声发射显示在阿是220磅,确定该部队目前的立场有关该线连接点D和B
三角的器皿美国广播公司在 A 被球和接口之间的连接处在 B 和 D 支持和被对有,经过缆绳 AE 和 CF.If 向位置展示力量被缆绳 AE 使出是那力量的时刻220磅关于线决定联合点 D 和 B
平板三角ABC在B、D两点受杵臼关节支撑,并保持在钢绳AE、CF所示的位置。 如果钢绳AE对A点施加的力量是220榜, 则该力对D、B两点连线的力矩是多少?