Both theorists described gravity as a gravitational field on a space. However, for Newton gravity is an instantaneous force. Action at a distance coupled to gravitational mass. This is conceptually different from inertial mass.
For Einstein the space is a 4-dimensional to...Read More
No gravity is not the only fundamental force. There are four. Gravity is a force you become quickly aware of as you prvent yourself, and what you are holding from falling. A force is defined as a push or pull that changes an object's state of motion or causes the object to deform. The second is...Read More
This is a matter of taking Newtonian theory a few levels deeper. Newton's theory of gravity holds well enough for small objects on a flat surface, but Einstein's theory of relativity was very different and included what, in effect, is a fourth dimension. His theory stretches to explain the...Read More