作者BaBi (迅雷不及掩耳盗铃)
看板Physics
标题[题目] 静力学
时间Sun Mar 17 04:49:30 2013
[领域] (题目相关领域)
静力学
[来源] (课本习题、考古题、参考书...)
Hibbeler 13 Edition Chapter 03
[题目]
The single elastic cord ABC is used to supprot the 40-lb load.
Determine the position x and the tension in the cord that is
required for equilibrium. The cord passes through the smooth
ring at B and has an unstretched length of 6 ft and stiffness
of k = 50 lb/ft
Figure:
http://ppt.cc/z4AW
[瓶颈] (写写自己的想法，方便大家为你解答)
如果今天绳子为非弹性绳, 应当是利用绳长关系和相似三角形来求解,
但这题为弹性绳, 两段的绳张力应视伸长量决定, 所以卡关了Orz
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