Which best describes what is made of matter?

What caused magnetic fields? what happens if you keep breaking a magnet in two until you reach a single atom?

Give an example for each of the following situations: 1) negative acceleration, but positive velocity 2) positive acceleration and positive velocity 3) positive acceleration, but negative velocity 4) negative acceleration and negative velocity 5) positive velocity and no acceleration

I’m the absence of a net force, a moving object will