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Newtons law states that an object in motion will remain in motion unless acted upon by an external force.
To extend on this law I would like to add : An object in motion will remain in motion unless the entropy (S) of the object in motion remains unchanged.
ΔS=ΔvΔv=ΔS
There is a fact that likewise charges repel and opposing charges attract, if a body in motion was to change in its present state of entropy whilst in motion, the electro-dynamics of a moving body would have affect on the velocity of the body relative to other bodies state of entropy.
Its understood that the object is a closed system and as such it does not expel part of its body such as a gas or radiation.
The entropy of a closed system cannot affect is motion.
Those expressions are wrong.
That doesn't make sense. Why would that be true?
I do not believe that there is any possibility that any object could be a closed system.
An object moving away from a light source will gain less light energy than an object travelling towards a light source.
The laws of attraction and repulsion suggest that a change in entropy can affect the objects motion.
It would be true for the reason that if either charge polarity was to increase , the attractive potential increases to other bodies opposite charge polarity and vice versus likewise charge repulsion.
a closed system in a physics text.
Why would you believe that they'd be correct in the first place?
That is incorrect. Please explain why you believe that is true and provide a concrete example.