Learn the fundamental concept of work in physics through this comprehensive 24-minute video lesson. Explore the definition and formula for work, understand the Joule as the SI unit for work and energy, and discover how to solve various types of work problems. Delve into one-dimensional and two-dimensional scenarios, including pulley systems and friction calculations. Master the skills needed to set up free body diagrams, solve net force equations, and differentiate between positive and negative work. Gain practical experience through step-by-step problem-solving demonstrations, covering simple numerical problems to more complex word problems involving pulleys and friction.