如果我像这样给它一个拉力,持续增大二号绳上的张力,直到两绳中的一根断裂。
Now I am going to pull on here and I'm going to increase the tension on the bottom one until one of the two breaks.
在它断裂之前,达到一个情况,那就是张力不再,和拉力成正比。
Now, before it breaks, we reach a situation that the strain is no longer proportional to the stress.
目的探讨青少年下腰椎峡部裂的治疗中直接峡部植骨修复拉力螺钉张力带固定手术方法及其价值。
Objective To investigate direct bone graft repair with lag screw and tension band fixation technique and its value for the treatment of adolescence spondylolysis.
If your plan is to accelerate a 3 kg mass with an acceleration of 2 meters per second, you better have a rope that can furnish that force and it can take the tension of 6 Newtons.
如果你想用 2 米每秒平方的加速度,去拉一个 3 千克的物体,那么你就需要一根能提供拉力的绳子,并且它能够承受 6 牛的张力
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