From the law of universal gravitation, the force on a body ... where r is the distance between the centre of the Earth and the ... It does not include the reduction of constraint force ...
Dec 5, 2013
So my question is
Like many fundamental ideas in physics, the answer is, "We don't know." We
know how to describe
Aug 25, 2013
Einstein had two basic rules underpinning general relativity: 1. Mass bends spacetime around it 2. The resulting geometry of bent spacetime determines the mo.
Apr 20, 2011
So Earth pulls us down (and we pull it up) because of it's mass.