Learn how to create a gravity-based physics simulation using HTML5 canvas and JavaScript in this 32-minute tutorial. Explore the concept of gravity as an accelerative force and how to implement it in code. Set up a project using git, draw a ball on canvas, add velocity and gravity, incorporate friction, and create multiple animated balls for a visually appealing effect. Discover techniques for adding screen boundaries, randomizing ball sizes, and generating diverse colors. Gain practical skills to bring realistic physics to your web animations and games.