Gravity- it’s known as the “weakest fundamental force”, but we know the “attraction” is really just objects falling along the curvature of space toward a more massive object. I don’t understand how this explanation of gravity relates to the other fundamental forces.
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We don’t know. There is still a lot of debate on the topic. There are some who still think they’ll find the mechanism for gravity that will align with the other forces: electromagnetism, the weak force, and the strong force.
There are many others that think it’s exactly as Einstein predicts.
In the end we treat it as a force, like the other forces, because in everyday life it acts like a force.
I often equate it to being similar to the Earth being a spheroid. While it is, in everyday life we treat it as flat. We know it’s not, but for most practical purposes it is. There are segments of our world that treat the world as it is, but you and I driving to the store don’t really care that it’s not flat.
Same with gravity, it may not be a “force” but it acts that way and for our everyday uses, it’s useful to treat it as a force.
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