It is desirable first to consider the meaning to be assigned to the terms "consistent force field" and "equilibriumforce field".
首先需要研究的是赋予术语“一致力场”和“平衡力场”的含意。
2
If the system is perturbed by some force and pushed in a new direction, it usually moves back toward equilibrium quickly.
如果系统受到某种力量的干扰,被推往一个新的方向,它通常会迅速移回到平衡状态。
3
The force is always opposing the direction of increasing potential energy, so the force will drive it back and so that's why we call this a stable equilibrium.