A rack of seven spherical bolwing balls (each 7.50 kg, radius of 9.40 cm) is positioned along a line located a distance d = 0.810 m from a point P, as shown in the figure. Calculate the gravitational force F the bowling balls exert on a ping-pong ball of mass 2.70 g, centered at point P. F = ✔TOOLS X70" N 0000000
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