This also tells you that the mass of an object has nothing to do with gravitation.

这也表明,物体的质量与重力无关

耶鲁公开课 - 基础物理课程节选

When I go around as a blind person, with my stick, ensure of myself among people, I feel that I am an object of respect and admiration.

当我像盲人那样拄着拐杖行走，确信自己走进人群当中的时候，我觉得自己称为了别人尊敬和仰慕的对象。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

That'll say the velocity of the object with respect to the ground, the velocity of the object with respect to the plane, the velocity of the plane with respect to the ground.

可以得到物体相对于地面的速度,物体相对于平面的速度,物体相对于地面的速度

耶鲁公开课 - 基础物理课程节选

I think you can tell by analogy with what I did in one dimension that the position of that object at any time t is going to be the initial position plus velocity times t plus one half a t square.

你们可以类比一下我在一维情况下的结论,这个物体在任意时刻 t 的位移,等于初始位移,加上 v ? t + 1/2 ? a ? t^2

耶鲁公开课 - 基础物理课程节选