Question

Four 1,000,000- kg masses are arranged in a square, 150 meters on a side. To the nearest ten thousandth of a Newton, what is the magnitude of the force the mass in the lower left hand corner?

I'm looking for an equation and an explanation. thanks
bobpursley
Newtons gravitational equation applies to each of the mass pairs.

F=GMm/distance^2
Force is a vector, so the three forces will have to be added as vectors.
Okay yeah this isn't working out for me.

Can you just show me all the work? I can't seem to get the right answer. I'm off by like .001 and it needs to be rounded to the nearest ten thousandth. I've been working on this problem for awhile and it's the last one I need.

bobpursley
No, I won't do the work for you. I will be happy to critique your work.

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