Three identical metal spheres are hung from a ceiling on rigid non-conducting rods. Sphere 1, sphere...
Three identical metal spheres are hung from a ceiling on rigid non-conducting rods. Sphere 1, sphere 2, and sphere 3 have charges 73 µC, ?46 µC, and 54 µC, respectively. Each sphere is separated by 13 cm.
(a) What is the net electric force on the middle sphere due to
spheres 1 and 3? (Enter the magnitude only.)
(b) What is the direction of the net electric force?
Homework Answers
a) net electric force on the middle sphere = 8.98 * 109 * 46 * 10-12 * (73/0.13 - 54/0.13)
= 60.373 N
b) direction of the net electric force = towards left . ( towards sphere 1)
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