ВХОД | РЕГИСТРАЦИЯ

Задача №18.16

Условие

Определить угловое ускорение шатуна AB механизма, рассмотренного в предыдущей задаче, если в положении, указанном на рисунке, угловое ускорение кривошипа OA равно 2 рад/с2.

Решение





Предыдущая задача №15
Ползун B кривошипно-ползунного механизма OAB движется по дуговой направляющей. Определить касательное и нормальное ускорения ползуна B в положении, указанном на рисунке, если OA=10 см, AB=20 см. Кривошип OA вращается, имея в данный момент угловую скорость ω=1 рад/с, угловое ускорение ε=0.
Следующая задача №17
Точильный станок приводится в движение педалью OA=24 см, которая колеблется около оси O по закону φ=(π/6)sin(πt/2) рад (угол φ отсчитывается от горизонтали). Точильный камень K вращается вокруг оси O1 с помощью стержня AB. Оси O и O1 перпендикулярны плоскости рисунка (см. рисунок к задаче 16.12). Найти в момент времени t=0 ускорение точки B точильного камня K, если O1B=12 см. В этот момент OA и O1B расположены горизонтально, причем ∠OAB=60°.
Источник: Решебник Мещерского 12 класс
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1.1
1.2
1.3
1.4
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2.1
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18.1
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24.1
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25.1
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26.1
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27.1
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28.1
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29.1
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31.1
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32.1
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33.1
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34.1
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38.1
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46.1
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47.1
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48.1
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49.1
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53.5
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54.1
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55.2
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56.7
56.9

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