There are no other molecules on that side of the wall. So there's an attractive force that makes the velocity within not quite as fast.

墙的另一边没有分子,因此吸引力,会降低球的速度。

麻省理工公开课 - 热力学与动力学课程节选

So springs are always pushed or pulled on either side with the same force.

所以弹簧两边永远都是受到,相同的压力或拉力

耶鲁公开课 - 基础物理课程节选

Suppose that Darth Vader uses the force, the dark side--the force of course, Darth Vader uses the dark side of the force to destroy, to turn into pea soup Luke Skywalker's brain.

假设达斯·维特使用特别手段，使用厉害的手段，他损坏的是,卢克·天行者的大脑,把卢克变成了个废物。

耶鲁公开课 - 死亡课程节选

What is the force on the other side?

另一边有什么力呢

耶鲁公开课 - 基础物理课程节选