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- Angular_momentum abstract "In physics, angular momentum, moment of momentum, or rotational momentum is a measure of the amount of rotation an object has, taking into account its mass, shape and speed. It is a vector quantity that represents the product of a body's rotational inertia and rotational velocity about a particular axis. The angular momentum of a system of particles (e.g. a rigid body) is the sum of angular momenta of the individual particles. For a rigid body rotating around an axis of symmetry (e.g. the blades of a ceiling fan), the angular momentum can be expressed as the product of the body's moment of inertia, I, (i.e., a measure of an object's resistance to changes in its rotation velocity) and its angular velocity ω:In this way, angular momentum is sometimes described as the rotational analog of linear momentum.For the case of an object that is small compared with the radial distance to its axis of rotation, such as a rubber ball swinging from a long string or a planet orbiting in an ellipse around the Sun, the angular momentum can be expressed as its linear momentum, mv, crossed by its position from the origin, r. Thus, the angular momentum L of a particle with respect to some point of origin isAngular momentum is conserved in a system where there is no net external torque, and its conservation helps explain many diverse phenomena. For example, the increase in rotational speed of a spinning figure skater as the skater's arms are contracted is a consequence of conservation of angular momentum. The very high rotational rates of neutron stars can also be explained in terms of angular momentum conservation. Moreover, angular momentum conservation has numerous applications in physics and engineering (e.g., the gyrocompass).".
- Angular_momentum thumbnail Gyroskop.jpg?width=300.
- Angular_momentum wikiPageExternalLink collision_resolution.htm.
- Angular_momentum wikiPageExternalLink ch15.html.
- Angular_momentum wikiPageID "2839".
- Angular_momentum wikiPageRevisionID "605994331".
- Angular_momentum hasPhotoCollection Angular_momentum.
- Angular_momentum subject Category:Conservation_laws.
- Angular_momentum subject Category:Physical_quantities.
- Angular_momentum subject Category:Rotation.
- Angular_momentum comment "In physics, angular momentum, moment of momentum, or rotational momentum is a measure of the amount of rotation an object has, taking into account its mass, shape and speed. It is a vector quantity that represents the product of a body's rotational inertia and rotational velocity about a particular axis. The angular momentum of a system of particles (e.g. a rigid body) is the sum of angular momenta of the individual particles. For a rigid body rotating around an axis of symmetry (e.g.".
- Angular_momentum label "Angular momentum".
- Angular_momentum label "Drehimpuls".
- Angular_momentum label "Impulsmoment".
- Angular_momentum label "Moment cinétique (mécanique classique)".
- Angular_momentum label "Moment pędu".
- Angular_momentum label "Momento angolare".
- Angular_momentum label "Momento angular".
- Angular_momentum label "Momento angular".
- Angular_momentum label "Момент импульса".
- Angular_momentum label "زخم زاوي".
- Angular_momentum label "角动量".
- Angular_momentum label "角運動量".
- Angular_momentum sameAs Moment_hybnosti.
- Angular_momentum sameAs Drehimpuls.
- Angular_momentum sameAs Στροφορμή.
- Angular_momentum sameAs Momento_angular.
- Angular_momentum sameAs Momentu_angeluar.
- Angular_momentum sameAs Moment_cinétique_(mécanique_classique).
- Angular_momentum sameAs Momentum_sudut.
- Angular_momentum sameAs Momento_angolare.
- Angular_momentum sameAs 角運動量.
- Angular_momentum sameAs 각운동량.
- Angular_momentum sameAs Impulsmoment.
- Angular_momentum sameAs Moment_pędu.
- Angular_momentum sameAs Momento_angular.
- Angular_momentum sameAs m.011mb.
- Angular_momentum sameAs Q161254.
- Angular_momentum sameAs Q161254.
- Angular_momentum wasDerivedFrom Angular_momentum?oldid=605994331.
- Angular_momentum depiction Gyroskop.jpg.
- Angular_momentum isPrimaryTopicOf Angular_momentum.