|Force||Relative Strength*||Particles involved||What it does|
|Strong Nuclear Force||1||Quarks**||Holds the nuclei of atoms together|
|Electromagnetism||10-12||Electrically Charged particles||Holds atoms together, the rules of electricity and magnetism|
|Weak Nuclear Force||10-14||Quarks, electrons, neutrinos||Radioactive decay of atoms (breakdown) and the decay of neutrons|
|Gravity||10-40||All particles||Holds everything together, controls motion of everything|
* - the relative strength column shows how each force compares to the
Strong Nuclear Force - how many times weaker they are actually.
** - quarks are the building blocks of protons and neutrons