Chapter 15.2, Problem 15.2QQ

Object A has a charge of +2 μC, and object B has a charge  of +6 μC. Which statement is true?

(a) $\stackrel{\to }{F}$_AB = −3 $\stackrel{\to }{F}$_BA (b) $\stackrel{\to }{F}$_AB = − $\stackrel{\to }{F}$_BA (c) 3 $\stackrel{\to }{F}$_AB = − $\stackrel{\to }{F}$_BA