Considering the whole positive and all of it’s parts.
A modern accelerator is shaped like a doughnut. Inside, magnets propel beams of hydrogen protons millions of times around of times around the ring. As the protons collide, they produce a debris of short- lived particles that scientist want to study.
Gravitation is the force that holds us all down to the surface of the earth. Anything thrown upwards falls back to the earth. It is not only the earth that has the pull of gravity but also every thing else in the universe. Everything in this universe attracts every other body to itself.