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Let me try to clarify my position.
1. I agree that Newton's Second Law does not show which is
cause and which effect.
2. In the context of teaching Newtonian mechanics, and in
particular, Newton's three laws, that Newton's FIRST Law
is interpreted by students as saying that forces cause accelerations.
ALL MODELS ARE WRONG. That does not mean that they are not useful.
Now if John or others want to argue that thinking that F causes A is wrong I would have to say he has a point. It is wrong, just like all the other ideas (models) we have in physics,