The class started with a demonstration using a different furs and balloons.
The balloon was rubbed against the fur causing the balloon to stick to the glass, as seen in the picture.
A silk handkerchief was used to rub against a balloon also causes the balloon to stick to the glass.
These illustrations showed how the silk handkerchief stuck to the glass.
We were asked how we would define mass and charge in terms of attraction and force.
This is the free body diagram on the forces of two balls with the same charge to help solve for the angle theta between the equilibrium point of the hung ball and displacement location of the hung ball after the other charged ball got closer to the hung ball. Then we solve a problem in the lab manual where a boy was at a swing and we were asked to solve for the forces on the swing and the boy.
This is a logger pro graph of a video where two charged balls, one hung on a string and the other attached on a rod.
This electrostatic generator was used to demonstrate a few example how the electrons move.
This plasma ball can properly show how the electrons move.
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