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Analysis on the falling motion with KPK mechanics method

Huangfu, Quansheng ; Yan, Feinan ; Gu, Zhengtian

Shanghai li gong da xue xue bao, 2020-01, Vol.42 (6), p.612

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Título:
Analysis on the falling motion with KPK mechanics method
Autor: Huangfu, Quansheng ; Yan, Feinan ; Gu, Zhengtian
Assuntos: Continuity equation ; Damping ; Mechanical systems ; Mechanics ; Mechanics (physics) ; Momentum ; Object motion ; Physics ; Skydiving
É parte de: Shanghai li gong da xue xue bao, 2020-01, Vol.42 (6), p.612
Descrição: Using the intensity of momentum flow, the law of motion of objects in the damping medium, including skydivers, is analyzed. First, the mechanics system of the German Karlsruhe Physics Course is introduced. This system sets momentum and speed as the central physical quantities of mechanics, according to the force The analogy between the definitional formula of and the definitional formula of current regards force as the intensity of momentum current, and uses the continuity equation of momentum to solve mechanical problems. Then use the mechanics method of Karlsruhe Physics Tutorial to calculate the speed change of the object when it falls in the air The law, and then qualitatively analyzes the reason why the skydivers with horizontal movement speed will have a very small rate before reaching the first closing rate, which shows that the mechanical system of Karlsruhe Physics Course is not only feasible to solve mechanical problems, but also It is effective and allows people to understand physics at a new level
Editor: Shanghai: Shanghai Ligong Daxue
Idioma: Chinês

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