1. A:The balls have the same electrical charge
Explanation: If the balls had the different charges then they would attract.
2. A:The magnetic force will be the strongest at. box #1
3. A:Load or electrical device
4. A:Motion energy
5. A:Insulators obstruct the flow of electrons,whereas conductors allow electrons to flow freely.
Examples of Inslators:
*Rubber
*Plastic
*Wood
Conductors:
*Some metals