Задача №16.20

Условие

Угловая скорость стержня O1A шарнирного четырехзвенника равна ω1. Выразить угловую скорость ω2 стержня O2B через ω1 и кратчайшие расстояния O1D и O2E от осей вращения стержней O1A и O2B до шатуна AB.

Решение




Предыдущая задача №19
Стержни O1A и O2B, соединенные со стержнем AB посредством шарниров A и B, могут вращаться вокруг неподвижных точек O1 и O2, оставаясь в одной плоскости и образуя шарнирный четырехзвенник. Дано: длина стержня O1A=a и его угловая скорость ω. Определить построением ту точку M стержня AB, скорость которой направлена вдоль этого стержня, а также найти величину скорости v точки M в тот момент, когда угол O1AB имеет данную величину α.
Следующая задача №21
В шарнирном четырехзвеннике ABCD ведущий кривошип AB вращается с постоянной угловой скоростью ω0=6π рад/с. Определить мгновенные угловые скорости кривошипа CD и стержня BC в тот момент, когда кривошип AB и стержень BC образуют одну прямую, если BC=3AB.
Источник: Решебник Мещерского 12 класс
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1.1
1.2
1.3
1.4
1.5
2.1
2.2
2.3
2.4
2.5
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2.7
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3.1
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4.1
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9.1
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10.1
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11.1
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12.1
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17.1
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18.1
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19.1
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24.1
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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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35.1
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37.1
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38.1
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39.1
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40.1
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41.1
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42.1
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43.1
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44.1
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45.3
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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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56.3
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56.9
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