Electricity
Leyden Jar -> charged
Ben’s contribution
charge +-, conservation of charge
CHARGE is a property of matter
Why is mass so important?
Fe Fg
cause: Q:m
effect: Q:m
Force Law: Fα1/^2:Fα1/r^2
Direction of force
Attraction / Repulsion
– Opposite charges attract
– Like charges repel
Coulomb
Electricity is really strong
proton
1.6 = 10^-19C
neutron = 0
electron
-1.6 * 10^-19C
