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Принцип возможных перемещений

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Published on Jan 12, 2012

Две задачи. 1) Определяем реакцию опоры составной (2 тела) конструкции. 2) Рассчитываем усилие пресса.
Используем принцип возможных перемещений (мощностей). According to the principle of virtual displacement, the necessary and sufficient condition for a system to be in equilibrium is for the sum of elementary works done by the active forces in any virtual displacement of the system to be zero.

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