re: Common Mythconceptions

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Force is a vector, so does the push/pull matter at all beside the direction the force is acting?

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The graviton is thought to be the exchange particle for the gravity force. That's assuming gravity is a force similar to the weak, strong and electromagnetic forces, all of which have their own carriers. Gravitons, of course, have not been detected.

Another theory is that space exerts a push on particles relative to their mass. Is this a force? Is space the opposite of Dark Energy? Does space push things together while Dark Energy pushes things apart? Lots of questions for theoretical physicists.