In the figure, a square of edge length 16.0 cm is formed by four spheres of masses m₁ = 4.80 g, m₂ = 3.40 g, m3 = 1.00 g, and m4 = 4.80 g. In unit-vector notation, what is the net gravitational force from them on a central sphere with mass m5 = 2.40 g? Number i M²1 mg M5 î+ ·X i m₂ MA ĴUnits
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