The electric force between the nucleus and the electrons holds the atom together.

原子核和电子之间的电动力将原子固定在一起。

Neurons and synapses are the cells and electric forces that carry messages to and from the brain.

神经元和神经键就是从大脑传送和接收信息的细胞和电力。

But how to we design then to transmit just the right amount of electric force?

但是我们如何设计它以便它转移数量呢？ 瓦数刚刚好？

An electric force can attract or repel an object.

电力可以吸引或排斥物体。

He clasps white hands in his, but no electric " Lulu" -like force holds him bound in their dainty pressure.

他握紧白皙的手， 但没有像电流般的“露露” 般的力量将他束缚在它们精致的压力中。

Well, it turns out that electric forces are caused by a property of matter called electric charge.

事实证明，电力是由一种称为电荷的物质特性引起的。

The stronger the charges, the stronger the electric force.

电荷越强，电力越强。

But how do you know if an electric force will be attractive or repulsive?

但是你怎么知道电力是吸引力还是排斥力呢？

So the greater the electric charge, the greater the electric force.

所以电荷越大，电力越大。

The electric force will weaken as the distance increases.

随着距离的增加，电力会减弱。

But why is there an electric force between the shirt and the sock after they're taken out of the dryer?

但为什么衬衫和袜子从烘干机中取出后，它们之间会产生电力呢？

Now, when you try to separate the two, they're both electrically charged and there's an electric force between them.

现在，当您尝试将两者分开时，它们都带电并且它们之间存在电力。

So now that we know what causes an electric force, let's look at what affects its direction and strength.

现在我们知道了产生电力的原因，让我们看看影响其方向和强度的因素。

A field carries energy and passes it on to other charged materials by exerting electric forces.

场携带能量，并将其传递给材料 其他的则通过施加电力来充电。

What about the strength of that electric force?

那电力的强度如何呢？

Now electric potential energy, which is the potential energy a charged object has due to the electric force from another charged object.

现在，电势能是一个带电物体由于另一个带电物体的电力而具有的势能。

Electric forces are used to bring power to your home, charge your computer, and light up the screen that you're using to watch this video.

所有尺寸。电源已连接 为您的家庭、计算机和屏幕提供能量。

Electric forces are a type of non-contact force, which means they can act on objects that aren't even touching.

电力是一种非接触力，这意味着它们可以作用于甚至不接触的物体。

Potential energy increases when the charges move opposite the direction of the electric force, for example, when two negative charges get closer together.

当电荷与电力方向相反的方向移动时，例如当两个负电荷靠得更近时，势能会增加。

Well, it turns out there's an electric force between the shirt and the sock.

好吧，事实证明衬衫和袜子之间存在电力。