Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Explore key concepts in physics through this comprehensive lecture on the Energy Principle from the Matter and Interactions textbook. Delve into topics including particle energy, kinetic energy, work definition, and practical examples like falling balls. Learn how to calculate work for constant and non-constant forces, examine work done by springs, and investigate neutron decay. Discover the relationship between work and momentum, and gain insights into potential energy. Conclude with a summary that reinforces the main points covered in this 41-minute educational video.