Explore key concepts in gravitation through this 22-minute physics lecture covering Chapter 13 of Halliday, Resnick, and Walker's Fundamentals of Physics (9th Edition). Dive into universal gravity, gravitational fields, gravitational potential energy, escape velocity, and Kepler's Laws. Follow along with time-stamped sections for easy navigation through each topic. Access this lecture as part of a comprehensive playlist covering various physics concepts for a thorough understanding of fundamental principles.