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It is a vector quantity that depends on both the mass and distribution of mass within an object, as well as its rotation speed or angular velocity. The Wikipedia page on angular momentum provides a comprehensive overview of this concept, covering its definition, properties, and applications in various branches of physics. The page starts with a brief introduction, explaining the basic principles of angular momentum and its relevance in understanding rotational motion. The article then delves into the mathematical formulation of angular momentum, exploring different coordinate systems and the relationship between angular momentum and other physical quantities such as torque and moment of inertia. It also discusses the conservation of angular momentum, presenting key principles such as the law of conservation of angular momentum and the conservation of angular momentum in a closed system. Furthermore, the page explores different applications of angular momentum in various scientific disciplines. It discusses the role of angular momentum in astronomy, where it is used to understand the rotation and motion of celestial bodies. It also highlights its importance in fields such as quantum mechanics, fluid dynamics, and classical mechanics. The Wikipedia page on angular momentum also covers related topics such as angular momentum operators, the mathematical representation of angular momentum in quantum mechanics, and the precession and nutation of rotating bodies. Overall, the angular momentum Wikipedia page provides a comprehensive and detailed resource for understanding this fundamental concept in physics. It combines theoretical explanations with practical applications, making it a valuable reference for students, researchers, and professionals in the field.