给物体一个推力，就等价于推力作用在重心的情况。

If you are going to push that object that would be really where the equivalent point mass would lie.

youdao

他给我一个推力，我踩了几下踏板，就倒在草地上。

He would give me a push, and I would pedal a few stokes and fall in the grass.

youdao

可以控制油液流如液压缸的其中一端，在活塞杆上产生一个拉力或产生一个推力。

Flow into the cylinder can be directed to either end, producing either a pushing or pulling force at the piston rod end.

youdao

That is correct, but you don't want to give it a definite push.

这没错,但你没有给出一个确定的推力

耶鲁公开课 - 基础物理课程节选

I appreciate the opportunity to speak with you and also to have been a part of this beloved community for these many years. It's been a privilege and an opportunity for me to think more about what the next chapter of my life will bring.

感谢能有这个机会和你交谈,也感谢能成为这个可爱的群体中的一部分,这么多年了，在这儿有种推力,也给了我一个机会，让我更多地思考,我人生的下一章会带来什么。

普林斯顿公开课 - 人性课程节选