E-learning for Kids
E Learning for Kids: Science: Pirates: What Are Some Forces Around Us?
Covers the meanings of force, friction, and gravity, and the differences between magnetic and elastic spring force, and between weight and mass. The effect of air resistance on an object's motion is also touched upon.
Massachusetts Institute of Technology
Mit: Open Course Ware: Supplemental Resources: Continuum Electromechanics
College-level electrical engineering and computer science textbook highlighting the applications of continuum electromechanics.