All interactions, including chemical, inertial etc. are all described by interactions of the various forces. Gravity is the weakest of them, so much so it is a bit of a mystery force.
You need to keep in mind these are labels to describe forces we don't yet know exist - the forces have been thought of to explain how things work if things are as they are theorised to be! We are finding new things all the time & the theory may yet prove to be inadequate. Quantum theory shook things up, lack of a reasonably behaved gravity also makes theorists nervous & string theory is causing yet another revision of things.
Never doubt there is Truth, just doubt that you have it!
Bookmarks