Even after that, the simulation is still one-way: cloth reacts to those bodies but doesn't apply forcesback.
即使是那样的，模拟仍然是单向的：布料在刚体上反应，但不会运用到动力空间扭曲上。
2
Such a back-coupling, in which the position of the moving plate has an impact on the forces that move it, could produce complicated and varying motions.
在这种反向耦合中，移动板的位置对移动它的力有影响，可以产生变化的复杂运动。
3
Constantly holding that extra 20-pound weight forces your neck and back muscles to work overtime.