And one that is moving continues to move at an unchanging speed, so long as no outside force influences it.

VOA: special.2011.06.01

And, if you ever get confused, the way to remember these is that you know energy is the integral of a force moving through a distance.

如果你感到很困惑的话，可以这么来记,能量是在沿力的方向进行路径积分。

麻省理工公开课 - 固态化学导论课程节选

Energy is the integral of force moving through a distance.

能量是在沿力的方向,进行路径积分。

麻省理工公开课 - 固态化学导论课程节选