Работа, мощность, энергия
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Урок 71 (осн). Механическая работа. Единицы работы
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Урок 72 (осн). Простейшие задачи на вычисление работы
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Урок 73 (осн). Задачи на вычисление работы
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Урок 74 (осн). Усложненные задачи на вычисление работы
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Урок 75 (осн). Мощность. Единицы мощности
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Урок 76 (осн). Задачи на вычисление мощности
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Урок 77 (осн). Усложненные задачи на вычисление мощности
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Урок 78 (осн). Простые механизмы. Рычаг. Условие равновесия рычага
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Урок 79 (осн). Задачи на условие равновесия рычага
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Урок 80 (осн). Момент силы. Правило моментов
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Урок 81 (осн). Задачи на правило моментов
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Урок 82 (осн). Блоки
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Урок 83 (осн). Задачи на блоки
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Урок 84 (осн). "Золотое правило" механики
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Урок 85 (осн). Коэффициент полезного действия механизма
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Урок 86 (осн). Энергия. Превращения энергии