force of attraction

基本解释

There is a Coulombic force of attraction.
有一个东西叫做库伦引力。
The Earth exerts a force of attraction on all objects.
地球对所有物体都施加吸引力。
And we saw last day that we have a Coulombic force of attraction which you have seen before.
我们昨天学习到,我们有库仑引力,之前你们学过的。

So, when we get really close together, granted, there is a net positive negative charge with a Coulombic force of attraction.
当它们真正离得很近时，假设有一个带正负电的电荷,带有库仑引力。
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And then the potential energy, the energy is stored here due to the coulombic force of attraction between the electron and the nucleus.
然后说势能,位能其实就是,由电子和原子核之间的库仑引力而形成的能量。
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So, if we think about the force that occurs between a positively and a negatively charged particle, what we have is essentially a Coulomb force, so we can describe this as a force of attraction.
一个带负电的粒子之间，的作用力,这本质上就是库伦力，我们可以把它，描述成一个引力。
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