1. Draw and label a Force Diagram for the metallic paper sphere being levitated by the two Fun-Fly-Sticks®.
Is the sphere in electrostatic equilibrium? What conclusions can you draw about the forces on the sphere?
Do Now

2. Draw and label all the forces acting on each of the charges below
Draw and label all the forces acting on each of the charges below. Make sure to draw your forces proportionally.

3. FConA
FBonA
FAonB
FAonC
FConB
FBonC

4. FConA FBonA FAonB FAonC FConB FBonC
Find each force using Coulomb’s Law
Break any angled forces into x- and y- components.
Find the net force in the x- and y- direction separately
Combine ∑Fx and ∑Fy tip-to-tail and use Pythagorean Theorem to determine the net force.
FConA
FBonA
FAonB
FAonC
FConB
FBonC