Задача №22.18

Условие

Найти абсолютную скорость какой-либо точки M спарника AB, соединяющего кривошипы OA и O1B осей O и O1, если радиусы колес одинаковы: R=1 м; радиусы кривошипов: OA=O1B=0,5 м. Скорость экипажа v0=20 м/с. Скорость точки M определить для четырех моментов, когда кривошипы OA и O1B либо вертикальны, либо горизонтальны. Колеса катятся по рельсам без скольжения.

Решение




Предыдущая задача №17
В кулисном механизме при качании кривошипа OC вокруг оси O, перпендикулярной плоскости рисунка, ползун A, перемещаясь вдоль кривошипа OC, приводит в движение стержень AB, движущийся в вертикальных направляющих K. Расстояние OK=l. Определить скорость движения ползуна A относительно кровошипа OC в функции от угловой скорости ω и угла поворота φ кривошипа.
Следующая задача №19
Колеса A и B вагона, движущегося со скоростью v по прямолинейному рельсу, катятся по нему без скольжения. Радиусы колес равны r, и расстояние между осями d. Определить скорость центра колеса A относительно системы координат, неизменно связанной с колесом B.
Источник: Решебник Мещерского 12 класс
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1.1
1.2
1.3
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2.1
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24.1
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32.1
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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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55.2
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55.44
56.3
56.7
56.9
ПравообладателямПользовательское соглашениеПолитика конфиденциальности • Контакты: e-mail: helplearn@yandex.ru