There are two small glass orbs with a mass of 3.0 g each and a charge of -40.0 nC. Both orbs are measured at 3.0 cm apart, relative to their centers. How much electric force do the orbs exert on each other?

• A. 0.8 x 10^-3 N
• B. 1.0 x 10^-2 N
• C. 1.6 x 10^-2 N
• D. 2.4 x 10^-3 N

Answer: (C)