A mass m is located at the origin; a second mass m is at x = d.A third mass m is above the first two so the three masses form an equilateral triangle.What is the net gravitational force on the third mass?
A) 2Gm2/d2
B) Gm2/d2
C) Gm2/d2
D) Gm2/2d2
E) Gm2/2d2
Correct Answer:
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