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Learn what angular momentum is, how to calculate it, and how it relates to rotational motion and quantum mechanics. Find examples, video, right-hand rule, and FAQs on angular momentum.
- The dimensional formula is: [M] [L] 2 [T] -1
In physics, angular momentum (sometimes called moment of momentum or rotational momentum) is the rotational analog of linear momentum. It is an important physical quantity because it is a conserved quantity – the total angular momentum of a closed system remains constant.
Sep 12, 2022 · Describe the vector nature of angular momentum. Find the total angular momentum and torque about a designated origin of a system of particles. Calculate the angular momentum of a rigid body rotating about a fixed axis. Calculate the torque on a rigid body rotating about a fixed axis.
May 13, 2024 · Learn about angular momentum, a vector quantity that describes the rotary inertia of an object or system about an axis. Find out how angular momentum is related to linear momentum, conservation of angular momentum, and spin of subatomic particles.
- The Editors of Encyclopaedia Britannica
Learn the definition, formula and conservation of angular momentum of a particle and a rigid body. Compare angular and linear momentum and see examples and applications.
Learn how angular momentum is defined, related to torque, and conserved in rotational motion. See examples of calculating angular momentum and torque for various objects and situations.
Nov 8, 2022 · Defining angular momentum, \(\vec L\): \[\vec L\equiv I\vec\omega\label{L}\] We see that the direction of angular momentum is the same as the direction of angular velocity which can be obtained using the right-hand rule. The units of angular momentum are \(N\cdot m\cdot sec\), which is equivalent to \(kg\cdot m^2/ sec\).
