Fundamental interactions in the universe

1. Strong force

1.1. Short-ranged

1.2. Attraction between nucleons

1.3. Holds quarks together

1.4. Gluons

1.5. Strongest

2. Gravitational force

2.1. Attractive force

2.2. Large distances

2.3. Orbits of the planets

2.4. Weakest

3. Electromagnetic force

3.1. Attractive and repulsive

3.2. Electrically charged particles

3.3. Photons

4. Weak force

4.1. Responsible for radioactivity

4.2. Initiates the nuclear fusion of the sun

4.3. Responsible for decay

4.4. Quarks

4.5. Bosons