As a physicist with a focus on particle physics and fundamental forces, I can tell you that the strength of the four fundamental forces varies greatly depending on the context in which they are considered. Here's a brief overview:


1. Gravitational Force: This is the weakest of the four forces by a large margin when considering the interactions between elementary particles. However, it becomes significant over large distances and massive bodies.


2. Electromagnetic Force: This is stronger than gravity and governs the interactions between charged particles. It's responsible for the structure of atoms and the behavior of electricity and magnetism.


3. Weak Nuclear Force: This force is responsible for processes like beta decay in atomic nuclei and is significantly stronger than gravity but weaker than the electromagnetic force over certain ranges.


4. Strong Nuclear Force: This is the strongest of the four forces. It's what holds the protons and neutrons together in the nucleus of an atom despite the repulsive electromagnetic force between the positively charged protons.

When comparing their strengths at the scale of an atomic nucleus, the strong nuclear force is the most powerful. However, the electromagnetic force can dominate in other contexts, such as when considering the interactions between larger structures composed of charged particles.

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Actually, gravity is the weakest of the four fundamental forces. Ordered from strongest to weakest, the forces are 1) the strong nuclear force, 2) the electromagnetic force, 3) the weak nuclear force, and 4) gravity.read more >>