Physics: Three Identical Masses
posted by Erik .
Three identical masses of 640 each are placed on the x axis. One mass is at = 100 , one is at the origin, and one is at = 400 .
What is the magnitude of the net gravitational force on the mass at the origin due to the other two masses?
Take the gravitational constant to be = 6.67×10−11 .

No dimensions for your numbers.
Therefore no help.
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