ВХОД | РЕГИСТРАЦИЯ

Задача №17.11

Условие

Стержень AB скользит точкой A по горизонтальной прямой и промежуточной точкой C касается круга радиуса r. Определить уравнение неподвижной и подвижной центроид стержня.

Решение





Предыдущая задача №10
Найти приближенные уравнения неподвижной и подвижной центроид шатуна AB кривошипного механизма, предполагая, что длина шатуна AB=l настолько велика по сравнению с длиной кривошипа OA=r, что для угла ABO=α можно принять sinα=α и cosα=1; оси координат указаны на рисунке.
Следующая задача №12
Колесо катится по наклонной плоскости, образующей угол 30° с горизонтом (см. рисунок к задаче 16.2). Центр O колеса движется по закону xO=10t2 см, где x — ось, направленная параллельно наклонной плоскости. К центру O колеса подвешен стержень OA=36 см, качающийся вокруг горизонтальной оси O, перпендикулярной плоскости рисунка, по закону φ=(π/3)sin(πt/6) рад. Найти ускорение конца A стержня OA в момент времени t=1 с.
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
2.6
2.7
2.8
2.9
2.10
2.11
2.12
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2.55
3.1
3.2
3.3
3.4
3.5
3.6
3.7
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3.10
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4.1
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5.1
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6.1
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8.1
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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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20.1
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21.2
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22.1
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23.1
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24.1
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24.34
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24.46
25.1
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25.18
26.1
26.2
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26.5
26.6
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26.35
27.1
27.2
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27.4
27.5
27.6
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27.32
27.33
27.34
27.35
27.36
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27.38
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27.40
27.41
27.42
27.43
27.44
27.45
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27.47
27.48
27.49
27.50
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27.54
27.55
27.58
27.59
27.60
27.61
27.62
27.63
27.64
27.65
28.1
28.2
28.3
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28.6
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29.1
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30.1
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31.1
31.2
31.3
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31.25
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31.35
32.1
32.2
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32.10
32.11
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32.34
32.35
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32.44
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32.67
32.68
32.69
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32.75
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32.84
32.85
32.86
32.87
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32.89
32.90
32.91
32.92
32.93
32.94
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32.100
32.101
32.102
32.103
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32.107
33.1
33.2
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33.6
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34.1
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35.1
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36.1
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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
48.5
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48.48
48.49
49.1
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53.5
53.12
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54.1
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54.32
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54.35
55.2
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55.38
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56.3
56.7
56.9

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