The discussion revolves around the nature of orbital motion, specifically questioning the forces that govern orbital paths and the stability of these orbits. Participants explore the implications of ideal laws in orbital mechanics and the potential disturbances caused by various forces.
Participants express differing views on the nature of orbital paths and the forces involved, with no consensus reached regarding the identification of an ideal force or the implications of small disturbances on orbital stability.
Participants acknowledge the complexity of orbital mechanics, including the influence of multiple forces and the limitations of idealized models. The discussion does not resolve the assumptions regarding the nature of these forces or the definitions of stability in orbital motion.
Huh? Do you really not know what "force" controls orbital motion?Kaka said:Question is very simple that if orbital motion obeys ideal law's then there must be a ideal force that runs this systen...Can you identifid the force?...waiting your ideas
Small additional forces cause small changes in the orbit, for major changes, you need large influences. So for example to cause the Earth to leave the Solar system, you would have to apply enough force for a long enough time to increase its orbital velocity by some 12 km/sec. To cause it to fall into the Sun, you would have to decrease its velocity by nearly 27 km/sec. Since the forces presently acting on the Earth are small and many times acting counter to each other, there is not much chance of them causing any major disruptions to the Earth's orbit over the foreseeable future.hilbert2 said:A more relevant question is whether the orbits are stable, i.e. can't be completely messed up by small additional forces (forces between planets, relativistic effects...).