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Центр удара

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Published on May 13, 2013

Рассматриваем вращение тела вокруг неподвижной оси. Находим точку приложения ударного импульса, не вызывающего ударных импульсов реакций опор. Сначала находим проекции кинетического момента на оси: Lx= - Jxz*Wz, Ly= - Jyz*Wz, Lz= Jz*Wz. Ответ: h=Jz/(m*l), где l- расстояние от центра масс тела до оси вращения.

Consider the rotation of the body about a fixed axis. Find the point of application of the shock pulse (impact) that does not cause shock pulses support reactions. We first find the projection of the angular momentum on the axis: Lx = - Jxz * Wz, Ly = - Jyz * Wz, Lz = Jz * Wz. Answer: h = Jz / (m * l), where l-distance from the center of body mass from the axis of rotation.

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