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i have no idea what are you referring to and i do not know what are you trying to say, it sounds like some kind of threat? what's SFN? what rules am i breaking, being smarter than you? and your arguments are? now, if you mean to claim such unnecessary thing, feel free. but without an example, argument or explanation i do not see any reason to believe you. if you have really thought about it, then to come to your conclusion you would actually need to come up with an example, but since you did not post it here, it can only mean two things: 1.) you did not really think about it 2.) you have thought about it, but were unable to find any example which one? that is your subjective opinion not supported with any arguments. you came here falsely accusing me of what, attitude? sorry if my attitude hurts you, and if you feel like playing gestapo, then why not ban me and burn some books while you at it. otherwise, you may leave the rest of us to talk, that's what public forums are for. ...and please, don't hate me just because i'm cool Merged post follows: Consecutive posts mergedbaby, you quoted this: -"all three words are very intended, what do you mean?" but you said nothing about it, you just went on to insult me ...and you say im trolling? you want a real discussion and all you have are insults? you want a real discussion and you avoid talking about the subject? you want a real discussion and you have no idea about equation for gravity? i wonder if anyone will realize the naked truth i said here, why would anyone get angry about it? i suppose, ignorance is bliss... so no one has anything else to say but insults?

i understand what is "meant" by it, but i hope that you too can understand what it actually means and what is the real cause of it. it is not a fact, it is very bad wording and vague phrase. chickens COME out of an egg, forces DO NOT come out of anywhere. they are SINGLE property of every single charged particle - therefore, force "COME" in singles as a single property of every single charge. it is funny that you want to accept such a fundamental statement about electromagnetic fields based on some half-baked, quasi law from 1687. if you really want to know how forces "COME TO BE", then better try some theory that actually deals with these forces. please understand, Newtons laws are redundant. you can sum it all up with this: F = m*a = k* Q1*Q2/r^2 that is mathematical truth that describes all three laws... try it, try to ask any question three laws are supposed to answer and i will too answer that by only using above formula. do you accept the challenge? Merged post follows: Consecutive posts merged yes, i think so - magnetic fields do not seem to bow to 3rd law. im not saying the law is wrong, per se - im saying that by explaining it like that people will never realize what is the real CAUSE for it and WHY is it so. i agree with your first sentence, it is a statement of causality, nothing wrong with it. however, to say "force *COME* in pairs" is a statement about the origin of the electromagnetic and gravity fields. it is so very much unnecessary statement in some law of motion from 1687. "force on"? im not talking about force on or under, force is within and around Q1, with or without Q2. the correct statement is: - "forces came in pairs when two object interact", which sounds ridiculous because it uncovers banality of the statement. you could also say: - "forces come in triplets when three objects collide" you could also say: - "forces come in n-lets when n objects collide" you can not say: -"forces come in pairs", because it is not true for every case, but only the case when two objects interact, and even there we can have linear and angular momentum. i feel silly now explaining this again, is it not everything obvious from here: F = m*a = k* Q1*Q2/r^2 ?? you speak now about EXERTING force, but before you said "forces COME in pairs", and my argument is about that. it does not "feel" a force but it nevertheless posses its own force. the force for that particular charge DID NOT COME in PAIR, did it? forces DO NOT COME in PAIRS, they do not even interact in pairs(only), they interact in whatever given number is there.

yes i do, but i meant to say there is no one to argue with, as in - i have arguments, while others do not. im not backing up? what? logic? "only force accelerates" ...there is nothing to back up here, if you understood Newton's first law than you should be able to see that statement equals to what Newton said about inertia. if not, then please tell me what information is missing from my formulation of it? please, what particular statement of mine would you like an arguments for?

i do not see a need for your comment, but im glad we agree. oh mercy! i can not understand it if you can not explain it. i've given you my explanation, why you are wrong, but instead to comment on that you keep repeating your false logic. what is the point of saying anything without providing reason and arguments for it? 1.) show my logic is false 2.) show your logic is true forces do not "come" in pairs, that means nothing. i thought you understood this from above equation. do you not see that only two forces in that equation have to do with two charges? take one charge, then you will notice forces do not come in pairs, but they come with a number of objects in your equation, in this case two. is there any other force there? i wish you were joking. btw, i know of some bugs NASA, and the rest of the world, have in simulation software. Hooke's law.. uh, huh. interaction within it is still the same interaction between charged particles, but i thought you agreed on inverse square law? did you not say this: -"The Coulomb force, F=ke*Q1*Q2/r2 is a good example of Newton's third law" anyway, what statement of mine do you say is wrong? i find it funny everyone is telling me "wrong", but no one cares to actually QUOTE what are they referring to. please quote, it will avoid misinterpretation. nonsense. matter interact via electromagnetic fields, so there is no other forces you could possibly be talking about here. explain, how does electromagnetic force "COME" in pair? of course, you will fail to explain this, since it is high-school knowledge that electromagnetic field is a property of every single charged particle. forces we are talking about do not "come" by themselves, even less in pairs - they come with charged particles. every charge has it own SINGLE electric and magnetic force. forces DO NOT come in pairs. force pairs are consequence of two objects interacting - take one charge out of Coulomb equation and tell me where is you force pair then? Merged post follows: Consecutive posts mergedSayonara³, that is not true, please quote it. sure, to address something you need to quote it, then provide arguments for the opinion. Merged post follows: Consecutive posts merged wake up, do you not see a word "force" i that definition? LOOK -----> F(inertia)= m*a F= force m= mass no further comment on this, you can call it whatever you like sure, the true explanation is the one i provided. finally we have normal conversation again, with quotes and arguments. the third law *IS* a consequence of the "inverse-square law". (referring to Coulomb's law and law of gravity) it simply can not be anyhow else, because the only way material world interacts is fundamentally a result of interaction between these force fields. all the equations for such interaction follow the law of INVERSE SQUARE. im talking about fundamentals, free your mind and look at the full picture.

i like your arguments and inability to understand. try to define word "troll", and you may notice that it is not me, but the face you see in a mirror.

so, you do agree it contains the full information from the original law and the only problem, you say, is that someone can confuse words "only", "force" and "acceleration" for something else? im sorry for those people, i did not know anyone that stupid can exist, but now i agree with you. still, three words can never be misinterpreted as much as current popular definition, which this thread demonstrates very well. i have no idea what are you referring to, im not arguing semantics, there is no one here to argue with, i do not see any arguments but mine. Merged post follows: Consecutive posts merged you're changing subject and avoiding to respond to the questions at hand, i'll take that as your confirmation. but, if you feel like talking about physics again, i welcome you.

what are you doing? i already responded to all you have said, you keep repeating your confusion as if you did not even read what was said. it is insulting to make people repeat themselves. are you talking to me? sorry, i do not know what to tell you, i never said anything like that. please quote what are you referring to. sheesh, i see now... you are arguing with NASA? cant help you there, but i agree with you, they seem confused about it as well. no one even responded to any of these, even less proved it wrong: A.) this is where "equal and opposite force" came from and what 3rd law is all about: F= G*m1*m2/r^2 B.) once you state 2nd law: F= m*a, the 1st law comes out as a consequence of it: no force -> no acceleration -> no change in velocity/direction. 3rd law, as i said, is not a good law, because it is only a consequence of "inverse square law" (point A). C.) 1st, 2nd & 3rd law combined: only force accelerates and unless opposed by an equal force, it always does so. F= m*a now, please be specific and argument your insults, what do you say is wrong?

"only force accelerates", - these three words are meant to completely replace Newton's 1st law. in that context, id like to insist this can not be misinterpreted, while it lacks none of the original information and even has some new. are you saying you are picking whom to believe based on destructive power? - Don't be to proud of this technological terror you've constructed. The ability to destroy a planet is insignificant next to the power of the Force. im not in hurry, nor i planned to go anywhere. just being kind and clearing up confusion, answering questions... so, if you have anything you would like to know about Life, Universe and Everything, feel free to ask!

by saying that, do you think you've explained the reason why you refuse to call it a force? where is that "equal and opposing" force in your example? inertia? - "The vis insita, or innate force of matter is a power of resisting, by which every body, as much as in it lies, endeavors to preserve in its present state, whether it be of rest, or of moving uniformly forward in a straight line." Newton 1st law is all about inertia, that's how its called - "law of inertia" - "..favor the mathematically useful definition of inertia as the measure of a body's resistance to changes in momentum or simply a body's inertial mass. Mass, m, denoted something like amount of substance or quantity of matter. And at the same time mass was the quantitative measure of inertia of a body. But mass as related to 'inertia' of a body can be defined also by the formula: F = m*a " where 'F' stand for FORCE http://en.wikipedia.org/wiki/Inertia are you having me on? i gave you link then, here is again: http://en.wikipedia.org/wiki/Newton%27s_laws_of_motion scroll down to the part about 3rd law and you will see a video there: "Explanation of Newton's third law by NASA employee.", quote is right there on the screenshot. i dont mean to argue NASA's point, i have my beautiful points: A.) this is where "equal and opposite force" came from and what 3rd law is all about: F= G*m1*m2/r^2 B.) once you state 2nd law: F= m*a, the 1st law comes out as a consequence of it: no force -> no acceleration -> no change in velocity/direction. 3rd law, as i said, is not a good law, because it is only a consequence of "inverse square law" (point A). C.) 1st, 2nd & 3rd law combined: only force accelerates and unless opposed by an equal force, it always does so. F= m*a so, if i'm confused, if i'm the one who did not understand the laws of motion and if i am the one who is misinterpreting, then please.... show me!

by reading these two threads and the rest of the internet. i measure an increased amount of misinterpretation. i see you say stuff, but i do not see any reasoning, explanation or arguments for it. shall we discuss it or shall we believe you?

all three words are very intended, what do you mean? the "force" was conceived as abstract concept. we can see material world and how particle move and how they interact, but we were never able to see what moves them. later on we figured, it ultimately all boils down to some electromagnetic fields. that didn't solve the problem as these fields still seemed to be immaterial, spiritual, incorporeal. and so, we still can not "see" them and we still don't know what are they made of. nevertheless, we wanted to talk about it and so we gave it a name - "force", as in "making something to do something", "influencing", "acting upon"... "Only force accelerates", the truth about that only "force" can do it comes out of the very definition and necessity for the word, which then makes it unnecessary to mention. still, i like it because it seems as "bold statement", while its actually a matter of semantics. i share your interest about the history of science.

this is all wrong, i tried to contra-argue in the way NASA explains 3rd law, but i failed. NASA's explanation doesn't seem right either, they never mention EQUALITY of the forces, rather opposite... Explanation of Newton's third law by NASA employee: -"...if thrust is greater than the drag, plane will accelerate." Merged post follows: Consecutive posts merged ay caramba! r, is the distance between two objects (masses), in that case. if you work with charges like protons and electrons, then it is a distance between charges. Newton's law of universal gravitation http://en.wikipedia.org/wiki/Newton%27s_law_of_universal_gravitation Coulomb's law http://en.wikipedia.org/wiki/Coloumb_law from this we can take a note of similarity of macrocosmos with microcosmos and that charge and mass are two fundamental concepts of what we call material world. no, i think Newton was actually working on formulas to describe planetary motion when he came up with his 3 laws of motion. i did not say any of the formulas are wrong, just that interpretation is confusing and that all three laws actually talk about one and the same thing, so they could be much better formulated. for example, once you state 2nd law: F= m*a, the 1st law comes out as a consequence of it: no force -> no acceleration -> no change in velocity/direction. 3rd law, as i said, is not a good law, because it is only a consequence of "inverse square law".

--- Newton's laws of motion ---- uh, huh... i see collision, but how well it describes motion? ok, ill explain everything now... Q1: what are we talking about? A1: forces and motion Q2: what forces? A2: field forces, like gravity and magneto-electric fields Q3: do we have any equations of motion for them? A3: yes. say, force between two charges: F= m*a = k*Q1*Q2/r^2 Q4: holy smoke! that's Newton's 3rd law!? A4: yes, force is equal and opposite Q5: ...and what about magnetic force? A5: @$#%... shut up! Q6: hey, don't yell at me, i thought we are the same person?! forces do not come in pairs, number TWO is simply because we are dealing with two objects and each of these objects has its own magneto-electric field forces, hence they come in pair just because that's how situation is initialized. force pairs are not a fact of "natural occurrence", but the consequence of that Newton is talking about TWO objects. with all that said, let me now say that some forces DO COME in PAIRS... magneto-electric, and Yin-Yang. to summarize: - this is what 3rd law is all about: F= m*a = G*m1*m2/r^2 "To every action there is an equal and opposite reaction.", is misleading interpretation of that equation. it should not be stated as law, since it is only a consequence of 'real' law of interaction - 'inverse square law of attraction/repulsion'.

no, you're failing to understand, sorry. im saying your interpretation is wrong. can you give me some equation that illustrates 3rd law? i actually agree, but the way it is understood is wrong. the way you illustrate it does not reveal what is this all about. when we come to that equation which illustrate this law i hope to be more clear about it. you have very simplistic way of thinking, sometimes referred to as blindness. force ALWAYS comes in pairs? what in the world? can you document that statement? this is just ridiculous, - the reason we have two forces here is because the problem is set up that way, sheesh!! it is about INTERACTION of TWO objects. if it was about interaction of three objects, then perhaps you would say forces ALWAYS come in triplets? do you know at all what is it we are talking about here? give me equation that illustrates that law? don't hate me just because i'm cool

what else can accelerate? hey, i like the way you think. i want to say: -"only force accelerates", because i think this additional information stands as true, is there any equation that has acceleration, but not 'force' in it? i think it maintains velocity is constant (without introduction of forces to system), since for velocity to change there need to be some acceleration. in other words it means: "without applied force velocity will not change, because ---> only force causes acceleration.", only force can change velocity and/or direction. curvature of space-time can too perhaps, but that is another theory and is still some "force", thought represented geometrically.