Related Experiment Video

Updated: Jan 19, 2026

Principle, Conservation and Measurement of Angular Momentum
09:33

Principle, Conservation and Measurement of Angular Momentum

Published on: April 30, 2023

38.0K

Physical-layer security in fractional orbital angular momentum multiplexing under atmospheric turbulence channel

Yaqin Zhao, Jinjiang Li, Xin Zhong

    Optics Express
    |September 13, 2019
    PubMed

    More Related Videos

    Angular Momentum01:21

    Angular Momentum

    764
    Constant Temperature Anemometry: Turbulent Boundary Layer Flow Study09:29

    Constant Temperature Anemometry: Turbulent Boundary Layer Flow Study

    Published on: April 30, 2023

    7.9K

    Related Concept Videos

    Angular Momentum09:33

    Angular Momentum

    Source: Nicholas Timmons, Asantha Cooray, PhD, Department of Physics & Astronomy, School of Physical Sciences, University of California, Irvine, CA
    38.0K
    Angular Momentum01:21

    Angular Momentum

    Angular momentum characterizes an object's rotational motion and is defined as the moment of its linear momentum about a specified point O. When a particle moves along a curved path in the x-y plane, the scalar formulation calculates the magnitude of its angular momentum, utilizing the moment arm (d), representing the perpendicular distance from point O to the line of action of the linear momentum. Despite being scalar in formulation, angular momentum is inherently a vector quantity. Its...
    764
    Conservation of Angular Momentum01:09

    Conservation of Angular Momentum

    A system's total angular momentum remains constant if the net external torque acting on the system is zero. Considering a system that consists of n tiny particles, the angular momentum of any tiny particle may change, but the system's total angular momentum would remain constant. The principle of conservation of angular momentum only considers the net external torque acting on the system. While there are internal forces exerted by different particles within the system that also produce...
    15.9K
    Constant Temperature Anemometry: A Tool to Study Turbulent Boundary Layer Flow09:29

    Constant Temperature Anemometry: A Tool to Study Turbulent Boundary Layer Flow

    Source: Xiaofeng Liu, Jose Roberto Moreto, and Jaime Dorado, Department of Aerospace Engineering, San Diego State University, San Diego, California
    A boundary layer is a thin flow region immediately adjacent to the surface of a solid body immersed in flow field. In this region, viscous effects, such as the viscous shear stress, dominate, and the flow is retarded due to the influence of friction between the fluid and the solid surface. Outside of the boundary layer, the flow is inviscid, i.e.,...
    7.9K
    Principle of Angular Impulse and Momentum01:23

    Principle of Angular Impulse and Momentum

    The angular impulse and momentum principle provides insights into how forces applied at a distance from an object's rotational axis influence its angular velocity. It builds upon the crucial relationship between the moment of force and angular momentum. By integrating this equation, substituting the limits for the initial and final times, a comprehensive expression representing the angular impulse and momentum principle is derived.
    1.2K
    Angular Momentum about an Arbitrary Axis01:11

    Angular Momentum about an Arbitrary Axis

    Imagine a rigid body with a mass denoted as 'm', which has its center of mass at point G and is rotating around an inertial reference frame. The angular momentum at an arbitrary point P can be calculated by taking the cross product of the position vector and linear momentum vector for each individual mass element.
    The velocity of a mass element comprises its translational velocity and the relative velocity instigated by the body's rotation. Substituting the velocity equation into...
    436