There is one physics concept that almost everyone misunderstands, even after hearing it explained a hundred times. The common version sounds logical, but it creates the wrong picture in the brain.

Physics, especially the part about forces and motion, often feels like a maze of confusing concepts and formulas. If you’ve ever stared at a problem about an object moving or a force acting and ...

This course examines energy as a fundamental concept in physics and an essential element of human society. Basic principles of energy conservation and transformation are developed to understand ...