关键是要使用滑轮系统，以扩大其作用力。
The key was to use a pulley system that would magnify the applied force.
所以这些是物体上，仅存的作用力。
重力是让它们连为一体的唯一作用力。
只有一种反作用力，那就是你，山姆大叔。
Only one counterforce was available, and that was you, Uncle Sam.
巨大的作用力使这条钢筋断裂。
我们周围最重要的作用力当然是重力。
The most important of the forces around us is, of course, gravity.
美国作用力的减少“打开了大门”。
你是否同意电是事物的作用力。
其反作用力F’为物块对人施加的力。
The reaction is the force F'exerted by the block on the man.
双垂直曲的作用力比垂直曲的柔和的多。
Force of double vertical loop is more gentle than vertical loop's.
最可能的原因就是：诸如暗能量等神秘的宇宙作用力。
The most likely reason: a mysterious cosmic force known as dark energy.
正面思想的作用力是零。
这里的一个关键点是我们需要知道作用力。
One of the key points here is that we need to know the applied force.
地应力是引起围岩变形和破坏的根本作用力。
The earth stress is an essential force causing rock deformation and breakage.
为了保持密封，就得维持巨大的螺栓作用力。
In order to keep the sealing, have to maintain great bolts reaction.
企业通过其战略能对这五种作用力施加影响。
Enterprises can exert one's influence on these five kinds of effort through their strategy.
还有一个例子证明作用力,与负反作用力相等。
That's another example where you see action equals minus reaction.
为了保持密封，就得维持巨大的螺栓作用力。
In order to maintain the seal, you must maintain the tremendous force of the bolt.
每一种作用力都有一种与之等量的反作用力。
Every kind of input strength has a reverse strength which is as big as it.
影响力是一事物对其他事物的无形作用力的总和。
Influence force is the sum of invisible force for one thing to another.
从物理中我们知道每个作用力都有它的反作用力。
From physics we know that for every action there is an opposite reaction.
第三个定律说每一个作用力都有相等的反作用力。
The third law said that every action has an equal and opposite reaction.
在此基础上，分析了路面积水对轮胎的作用力。
Base on it, the hydrodynamic pressure exerted on the tire is analysed.
弹簧的变形量与施加在其上的作用力成线性关系。
Deformation of a spring is linear with the force applied on it.
水分子粘合在一起是因为水分子间有轻微的作用力。
Water molecules stick together, because they carry a slight charge on each end.
这个作用力所产生的反作用力推动宇宙飞船前进。
The reaction force to this action force pushes rocket ship along.
也许用玩具气球的情况最容易说明这种反作用力。
It is perhaps easiest to understand the reaction in the case of the toy balloon.
其包含了三种情况：作用力与反作用力都不做功；
It contains three situations: both of force and reaction do not work;
其包含了三种情况：作用力与反作用力都不做功；
It contains three situations: both of force and reaction do not work;
应用推荐