HyperPhysics - Fundamental Forces
Wikipedia - Fundamental Interaction
HyperPhysics - The Electromagnetic Force
PY106 Notes - Electric charge and Coulomb's law
Wikipedia - Fundamental Interaction
Nice survey article of the 'Fundamental Forces' from a modern perspective.
HyperPhysics - GravityHyperPhysics - The Electromagnetic Force
PY106 Notes - Electric charge and Coulomb's law
Introduction to electrostatics with a conversational, easy-to-understand way of expressing concepts. Includes a comparison of the electric and gravitational forces.
Topic Resources
tutorial chapter
14 questions
concept review with practice items
figures for classroom presentation