Object A is positively charged. Object A and Object B
attract. Object B and Object C attract. Object C and
Object D repel. What type of charge does Object B, Object
C, and Object D possess?

object B is negatively charged, object C is positively charged and object D is also positively charged

Explanation: since unlike charges attract and like charges repel, for object A which is positively charged and B to attract B must be negatively charged and then for B which is negatively charged and C to attract C must be positively charged and for C and D to repel they have to be of thesame charge which means D is positive as well.

probably not if net force is zero