The three spheres in Fig. 13-45, with masses mA ! 80 g,mB
Chapter , Problem 37(choose chapter or problem)
The three spheres in Fig. 13-45, with masses mA ! 80 g,mB ! 10 g, and mC ! 20 g, have their centers on a common line, with L ! 12 cm and d ! 4.0 cm. You move sphere B along the line until its center-to- center separation from C is d ! 4.0 cm. How much work is done on sphere B (a) by you and (b) by the net gravitational force on B due to spheres A and C?
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