Recent content by Charly

Thanks Berkeman, yes I am aware of the universal law of gravity (actually I just wrote a little paper on the equation and other motion-related, relatively straight-forward Newtonian equations for a high-school project.) It's more that I'm trying to intuitively understand how this phenomenon...

Why do bodies in free fall change position relative to each other? For instance in a vacuum with no external forces why can an apple fall towards the surface of the earth? If these objects aren't accelerating then are they considered at rest? And in what sense of the term 'rest'. I think I can...