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41
§10. Задания зачетной контрольной работы . [4]
Задание 1. Плоскопараллельное движение.
Найти для заданного положения механизма скорости и ускорения точек В и
С , а также угловую скорость и угловое ускорение звена, которому эти
точки принадлежат. Схема механизма помещена на рисунке, а
необходимые для расчета данные приведены в таблице.
Размеры , см
Номер
варианта
ОА r АВ
АС
ω
ОА
рад/ с
ω
I
рад/ с
ε
ОА
рад/ с
2
V
A
см /с
a
A
см /с
2
1 40 15 --- 8 2 --- 2 --- ---
2 30 15 --- 8 3 --- 2 --- ---
3 --- 50 --- --- --- --- --- 50 100
4 35 --- --- 45 4 --- 8 --- ---
5 25 --- --- 20 1 --- 1 --- ---
6 40 15 --- 6 1 1 0 --- ---
7 35 --- 75 60 5 --- 10 --- ---
8 --- --- 20 10 --- --- --- 40 20
9 --- --- 45 30 --- --- --- 20 10
10 25 --- 80 20 1 --- 2 --- ---
11 --- --- 30 15 --- --- --- 10 0
12 --- --- 30 20 --- --- --- 20 20
13 25 --- 55 40 2 --- 4 --- ---
14 45 15 --- 8 3 12 0 --- ---
15 40 15 --- 8 1 --- 1 --- ---
16 55 20 --- 2 --- 5 --- ---
17 --- 30 --- 10 --- --- --- 80 50
18 10 --- 10 5 2 --- 6 --- ---
19 20 15 --- 10 1 2,5 0 --- ---
20 --- --- 20 6 --- --- --- 10 15
21 30 --- 60 15 3 --- 8 --- ---
22 35 --- 60 40 4 --- 10 --- ---
23 --- --- 60 20 --- --- --- 5 ---
24 25 --- 35 15 2 --- 3 --- ---
25 20 --- 70 20 1 --- 2 --- ---
26 20 15 --- 10 2 1,2 0 --- ---
27 --- 15 --- 5 --- --- --- 60 30
28 20 --- 50 25 1 --- 1 --- ---
29 12 --- 35 15 4 --- 6 --- ---
30 40 --- --- 20 5 --- 10 --- ---
41
§10. Задания зачетной контрольной работы. [4]
Задание 1. Плоскопараллельное движение.
Найти для заданного положения механизма скорости и ускорения точек В и
С, а также угловую скорость и угловое ускорение звена, которому эти
точки принадлежат. Схема механизма помещена на рисунке, а
необходимые для расчета данные приведены в таблице.
Номер Размеры, см ωОА ωI εОА 2 VA aA 2
варианта ОА r АВ АС рад/с рад/с рад/с см/с см/с
1 40 15 --- 8 2 --- 2 --- ---
2 30 15 --- 8 3 --- 2 --- ---
3 --- 50 --- --- --- --- --- 50 100
4 35 --- --- 45 4 --- 8 --- ---
5 25 --- --- 20 1 --- 1 --- ---
6 40 15 --- 6 1 1 0 --- ---
7 35 --- 75 60 5 --- 10 --- ---
8 --- --- 20 10 --- --- --- 40 20
9 --- --- 45 30 --- --- --- 20 10
10 25 --- 80 20 1 --- 2 --- ---
11 --- --- 30 15 --- --- --- 10 0
12 --- --- 30 20 --- --- --- 20 20
13 25 --- 55 40 2 --- 4 --- ---
14 45 15 --- 8 3 12 0 --- ---
15 40 15 --- 8 1 --- 1 --- ---
16 55 20 --- 2 --- 5 --- ---
17 --- 30 --- 10 --- --- --- 80 50
18 10 --- 10 5 2 --- 6 --- ---
19 20 15 --- 10 1 2,5 0 --- ---
20 --- --- 20 6 --- --- --- 10 15
21 30 --- 60 15 3 --- 8 --- ---
22 35 --- 60 40 4 --- 10 --- ---
23 --- --- 60 20 --- --- --- 5 ---
24 25 --- 35 15 2 --- 3 --- ---
25 20 --- 70 20 1 --- 2 --- ---
26 20 15 --- 10 2 1,2 0 --- ---
27 --- 15 --- 5 --- --- --- 60 30
28 20 --- 50 25 1 --- 1 --- ---
29 12 --- 35 15 4 --- 6 --- ---
30 40 --- --- 20 5 --- 10 --- ---
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