Comments by "RiteMo LawBks" (@ritemolawbks8012) on "Destiny"
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@SamKGrove It's not derived from anything more fundamental than NetF=ma. It's from classical physics and Isaac Newton and seems deceptively simple, but it's a powerful theory that can explain all motions of objects with mass.
It can be measured in Newtons (Unit of Force). In the simplest form, a body with no forces applied to it that has mass will maintain un-accelerated motion indefinitely.
When a force is applied, the action changes the motion an accelerates according to F=ma. Using the force, the past, present, and future state of an object calculated.
There are methods and alternatives to Newtonian mechanics and situations when it's invalid, but the classical definition of "force" is from Newton. Rather than using a force, problems can be solved using energy, spacetime curvature, action principle, and other easier and more efficient methods.
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@jimbo2629 If you've never heard of "pseudo force," "fictional force," or "inertial force," should you really be lecturing about classical mechanics, spacetime, and gravity?
Relativity from Galileo, Newton, and Einstein are all proven scientific theories, there's nothing to be "duped" about. You either understand them or not; and the models and predictions are either right, wrong, or incomplete.
I'm a humble guy, and despite having modern technology and the benefit of hindsight, I believe it's better to fully comprehend the theories of Isaac Newton and Albert Einstein before trying to disprove them.
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