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Particle 1 of mass m 1 = 6.0kg, particle 2 and 3 of mass m 2 = m 3 = 4.0kg, and distance a = 2.0cm. What is the net gravitational force (its magnitude and direction) on particle 1 due to the other particles?
A.
F 1,net = 5.1x10 -6 N, θ = 104 o
B.
F 1,net = 4.1x10 -6 N, θ = 104 o
C.
F 1,net = 4.1x10 -6 N, θ = 204 o