Recent content by Mehrsa

thank you verymuch.I got it compeletly!

thank you thank you for your help but can you explain it to me more?I got the point but I want to prove it. can you tell me how should i prove this formula?because i have aproject and i should prove this formula in it. :smile:

why r^2?? hi I have a big problem in physics that nobody could answer it until now.I hope that you can help me. my question is about this formula:F=Gm1m2/r^2 why r^2?? :confused: I searched about it very much but the only thing that i could find was this:the answer is not:because of the...