EM space drive

I agree with what you said.
But I'm not sure if what I said was wrong, though... or even if it conflicts with what you said?
I agree that what I said was not "the whole picture," though, if that's your point.I was just trying to give a back-of-the-napkin feeling for "Newtons" for most people to try and understand them.
It's not my fault that most football player's hits are not constant...

Maybe this will help. Two oz of thrust will accelerate a 2oz object the same way a 2oz object is accelerated when if falls off of your desk. Heavier objects will be accelerated proportionately less.As your description implies, it does not take any amount of force to move an object in space. Any net force on an object, however tiny, will accelerate an object, and the object will continue to move until another force acts on it.

Being on the ground does not matter.The question of how much force it takes to move an object is nonsensical unless you talk about all of the forces on an object. Two ounces of thrust can move a 2 oz object upward in earth's gravitational field, but that same 2 oz thrust can also move accelerate a locomotive across a friction free surface.

Uh, gravity and friction would certainly play a role in how much stuff you could move with 2 ounces of force.

Did you read just half of my comment before responding? Did I not address everything you mentioned?How much weight do you think you can move with 2 oz of thrust CS assuming we conduct the experiment at ground level? Is there any universal answer?

I read it all. The stuff you said after what we were talking about, i.e. "being on the ground", had nothing to do with it. Not much. I doubt you could move my dick with it Pretty much, for the one for down here on the ground... where gravity and friction would certainly play a role...That's what I meant. That's what was being talked about.

I wonder how much juice it took to get the 50 mN of thrust. Wiki says

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The total force exerted on an 800 by 800 meter solar sail, for example, is about 5 newtons (1.1 lbf) at Earth's distance from Sol,[2]

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Could you generate enough electricity to overcome the force of a solar wind and fly directly at the sun?

I note that you did not specify this "universal answer" despite your claim that there is one. Well, your answer is wrong. There is no limit to the amount of weight that two oz of thrust can move here on earth. F= ma applies everywhere.The link below is to an experiment for measuring the gravitational constant by measuring the motion of a pair of 38 gram masses being attracted gravitationally by a pair of 1.5kg mass. A measurable motion of the 38 gram masses was obtained despite the fact that the forces involved are on the order of 7 * 10-10 N. I'll note that the experiment was conducted on earth and not in outer space.http://www.phys.utk.edu/...asco%20Cavendish%20Experiment.pdfEdited by NoNukes, : No reason given.Edited by NoNukes, : No reason given.Edited by NoNukes, : No reason given.

I remember hearing about that experiment in a physics class in college. That's not what is being talked about, this is:

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but I don't really understand just how much power the research in these articles is reporting.

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What's 720 mN of thrust? How about 30-50 micro-Newtons?

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Could this have applications on the ground?

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According to the one article, the 720 mnt is 72 grams of thrust.
that's a bit more than 2 oz.

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So it's enough to move 2 oz. worth of material?

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They're talking about using an EmDrive for some kind of ground vehicle, like a car or something.There's just not enough thrust there for that.

CS posits: But isn't the OP link titled Nasa validates 'impossible' space drive??

Yes, and then another member asked if it had applications on the ground.It does not, currently.

See that question at the very end of the material you quoted? What is the answer to that question? Apparently, that's what you decided the issue was. The answer to the question Jon actually asked was given correctly by Nosy Ned.And as for the question of whether having a very small thrust generator without an impulse mass can have applications on the ground, if the only issue that comes to minds is whether you can drive a car with 2 oz of thrust, you are not being very imaginative.

Is the question you ask just literally the words that you type, or is the question you ask the one that you mean?

Jon's question was whether he should interpret the 2 oz of thrust to mean that only 2 oz of material can be moved. What's the correct answer to that question?Then you interpret that to mean that Jon is only asking about applications for ground vehicles? Where do you get that?

I suppose that the easy answer is that you could fly into the sun if you were far enough away. Sail power falls off with distance from the sun, but the thruster would not.And of course there may be an opportunity to scale up the force generated assuming that it is real.