Is It Electric or Magnetic? Depends on Where You Stand

If you take early physics you have learned about “Basic Forces”. This is something like this: all interactions are the result of one or more of the five basic energy: strong atomic, weak atomic, gravity, electrical and magnetic. Then “do physics” means to identify forces in playing.

There is a problem, though, which is probably not mentioned: the forces you observed depends on your vantage point – your “frame of reference”. See the window. Trees, houses, lawn – they are all fixed, isn’t it? But see the same place from the place and it is running a thousand miles away an hour. It was still seen before you because you were running with it.

We have the same problem with electrical and magnetic fields. Depending on the frame of your reference, which seems to be magnetic energy from one spot to the other, it seems to be electrical power from the other.

Is your brain still melting? Just wait – it also becomes continuous. To understand what’s going on here, let’s first look at the electrical and magnetic forces separately.

Electric power

See all things around you? EverythingThe It is made with only three things: proton, electron and neutron. This is a kind of wild when you think about it. These two basic particles have an electrical charge: negatively charged electrons and positive protons.

If an object has more electrons than the proton, its net will have a negative charge. So, the socks in the dryer that is drawing everything? It raised additional electrons by rubbing against other fabrics. If an object loses the electron, it has a positive charge.

We can calculate the electrostatic energy between two charges with the law of Culomb. It says that the energy between them depends on the product of their charge and how far they are. For example, I created this hi-tech contraction at the bottom, which contains two small foam blocks that hang on the strings. I have given them negative charge to both of them, which means they will back down each other. Check it on: