Let's try the conservation of mechanical energy.
让我们试着用机械能，守恒定律解答一下。
So this is the conservation of mechanical energy.
因此这是，机械能守恒。
We have also the conservation of mechanical energy.
还是机械能，守恒。
I trust the conservation of mechanical energy 100%.
我百分百相信，机械能守恒。
We believe in the conservation of mechanical energy.
我们相信,机械能守恒定理。
Now I want to return to the conservation of mechanical energy.
现在我想回到，机械能守恒。
It follows immediately from the conservation of mechanical energy.
它紧跟着，机械能，守恒定理而产生。
We didn't even talk about it when we did the conservation of mechanical energy.
我们甚至没有讲过它,当我们运用机械能,守恒定理的时候。
I believed in the conservation of mechanical energy and I overlooked the tension.
我相信，机械能守恒定理，我忽略了张力。
There must be something fundamentally wrong with the conservation of mechanical energy.
肯定有什么，基础性的错误，这个机械能守恒定理。
LEWIN Shall we try the conservation of mechanical energy Is there anything wrong with that?
大声点。，lewin：，So, speak, up。，我们可以尝试用，机械能守恒定律吗？，这样用有什么问题吗？
And so you could have used the work-energy theorem or you can use the conservation of mechanical energy.
所以你也可以用，功能定理，或者是机械能，守恒定律。
We were able to apply the conservation of mechanical energy because spring forces are conservative forces.
我们也可以运用，机械能守恒，因为弹力，是恒力。
Now, I am such a strong believer of the conservation of mechanical energy that I am willing to put my life on the line.
现在，我很相信，机械能守恒，我愿意把我的生命，放到这条线上。
Okay, I start off, point A is at a distance h h above this level, and so I apply now the conservation of mechanical energy.
好的我开始了，点A距离这个平面,高度差，现在运用,机械能守恒定理。
I was so convinced that the conservation of mechanical energy was going to work - that I almost killed myself — - not quite — with this huge, 15?
我坚信，机械能守恒定理，会起作用，我几乎杀了自己-，近乎杀了自己-，那个球大概15公斤？
A discussion is made of the work done by static frictional force and the conservation of mechanical energy in the work doing process by way of typical cases.
本文就静摩擦力做功以及在静摩擦力做功过程中机械能守恒问题，结合实例做进一步讨论。
I used first the conservation - of mechanical energy — there was no friction — and then I showed you that it's completely consistent with the work-energy theorem, so what would you do now?
首先，我用了机械能，守恒定律-，这里没有摩擦力-，我会向你们展示，这，和功能定理完全一致，现在你会怎么做呢？
Then we have the conservation - of mechanical energy — the sum of kinetic energy and potential energy.
我们知道，机械能守恒定律-，动能和，势能的总和。
You see it on the general exams for physics, and it's simply a matter of conservation of mechanical energy.
你会在一般的，物理考试中见到，这只是一个，机械能的问题。
I'm going to write down the conservation of total energy, mechanical energy.
我要写下整体的，能量守恒，机械能。
5 times the radius, conservation of mechanical energy tells you that that is the minimum it takes to just go through that point.
5倍于半径的高度，机械能守恒定理，告诉我们照着书，要经过这点的最小值。
The conservation law of mechanical energy in variable mass mechanical systems with ideal bilateral holonomic constraints is studied.
研究具有双面理想完整约束的变质量力学系统的机械能守恒律。
It is explained that the law of conservation of mechanical energy obeys relativity principle of mechanics.
系统地阐明机械能守恒定律无条件服从力学相对性原理。
This article analyses the meaning and prerequisite of conservation of mechanical energy, and poses different standpoints on describing the law of conservation of mechanical energy in some textbooks.
分析了机械能守恒的内涵及条件，对有的教材关于机械能守恒定律的表述提出了不同的见解。
This paper deals with the problem of how to skilfully select spring elastic potential energy zero in applying law of conservation of mechanical energy, and makes some analyses combined with examples.
在应用机械能守恒定律时，如何巧选弹簧弹性势能零点问题进行了探讨，并结合实例进行了分析。
This paper deeply analyzes the physical connotation of the Law of Conservation of Mechanical Energy, and points out the attention-worthy matters in the teaching process.
本文深入分析了机械能守恒定律的物理内涵，利用具体事例讨论并纠正了对该定律的两种常见错误认识，并指出了教学中应注意的问题。
The law of conversion of mechanical energy and the law of conservation of mechanical energy are revealed.
又一次揭示空间的机械能势转换和守恒定律；
In this paper it is explained that the law of conservation of mechanical energy must Obey the relativity principle of mechanics.
文章系统地阐明了机械能守恒定律无条件服从力学相对性原理，若总机械能在一个惯性系守恒，它就在所有惯性系守恒。
It is pointed out that the relativity principle is satisfied by the law of conservation of mechanical energy.
指出机械能守恒定律是服从相对性原理的。
应用推荐