Задача №24.46

Условие

Твердое тело, имеющее форму куба со стороной a=2 м участвует одновременно в четырех вращениях с угловыми скоростями ω14=6 рад/с, ω23=4 рад/с. Определить результирующее движение тела.

Решение




Предыдущая задача №45
Тело A вращается с угловой скоростью ω1 вокруг оси y и движется поступательно со скоростью v1 вдоль той же оси. Тело B движется поступательно со скоростью v2, образующей угол α с осью y. При каком соотношении v1/v2 движение тела A по отношению к телу B будет чистым вращением? Где при этом будет лежать ось вращения?
Следующая задача №47
Колеса паровоза соединены спарником AB. Колеса радиуса r=80 см катятся без скольжения по рельсам налево. При движении из состояния покоя угол поворота колес φ=∠PO1A изменяется по закону φ=3πt2/4 рад. Вдоль спарника AB, в соответствии с уравнением s=AM=(10+40t2) см, движется ползун M. Определить абсолютную скорость и абсолютное ускорение ползуна M в момент t=1 с, если O1O2=AB, O1A=O2B=r/2.
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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3.1
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9.1
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24.1
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28.1
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32.1
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33.1
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38.1
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39.1
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43.1
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44.1
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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
ПравообладателямПользовательское соглашениеПолитика конфиденциальности • Контакты: e-mail: helplearn@yandex.ru