Reaction between net charge and no net charge

[loganblacke]

Two lightweight metal spheres are suspended near each other from insulated string. One sphere has no net charge, the other has a net charge. The spheres will?

Homework Equations

None

The Attempt at a Solution

I know opposite charges attract and similar charges repel, but not sure about a charge and no charge. Please help, thanks!

 

[gneill]

The concept you want to research is called induction, or induced charges. Here's a link to get you started:

http://www.physicsclassroom.com/mmedia/estatics/isop.cfm