Решение задач по теоретической механике. Ч.3. Динамика. Чеботарев А.С - 48 стр.

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48
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 
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Ɋɟɲɚɹ ɷɬɭ ɫɢɫɬɟɦɭ, ɩɨɥɭɱɢɦ:

() sin sin
sg
DC B C P B P
A
B
C
1
21
2
8
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E
D
,
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() sin sin
sg
DC A A P C P
A
BC
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E
D
,
2
12
5
sin)(sin)()2(
4
C
A
B
PCBPCABACD
gw
O
D
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,
ɝɞɟ
8432
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PPPPA
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§12. ɋɩɢɫɨɤ ɡɚɞɚɱ ɞɥɹ ɫɚɦɨɫɬɨɹɬɟɥɶɧɨɣ ɪɚɛɨɬɵ [2]
26.1, 26.5, 26.6, 26.9.
27.1, 27.3, 27.12, 27.13, 27.34, 27.42, 27.53, 27.56.
28.1, 28.6, 28.7, 28.15, 28.17, 28.21.
29.7, 29.14.
30.4, 30.6, 30.11, 30.12, 30.15, 30.19, 30.22.
32.1, 32.2, 32.5, 32.16, 32.24, 32.26, 32.37, 32.53, 32.55, 32.57, 32.68,
32.70, 32.78, 32.79, 32.86, 32.93, 32.94, 32.96, 32.98, 32.99.
34.2, 34.3, 34.9, 34.11, 34.12, 34.15, 34.21.
35.3, 35.4, 35.10, 35.13, 35.14, 35.19. 
8 P1  4 P3  3 P5  2 P6         P  2 P6                    1
                          s1  5         s2     P1 sin D   P  P6 ,
           8g                        8g                       2 5
8 P2  4 P4  3 P5  2 P6         P  2 P6                    1
                            s2  5         s1   P2 sin E  P5  P6 .
           8g                        8g                       2
Ɋɟɲɚɹ ɷɬɭ ɫɢɫɬɟɦɭ, ɩɨɥɭɱɢɦ:
            D(C  B)  C ˜ P2 sin E  B ˜ P1 sin D
s1   8g                                          ,
                        AB  C 2
            D(C  A)  A ˜ P2 sin E  C ˜ P1 sin D
s2   8g                                          ,
                        AB  C 2
             D(2C  A  B)  ( A  C ) P2 sin E  ( B  C ) P1 sin D
wO 5    4g                                                           ,
                                 AB  C 2
ɝɞɟ
8 P1  4 P3  3 P5  2 P6      A,
8 P2  4 P4  3 P5  2 P6      B,
                     P5  P6
P5  2 P6      C ɢ               D.
                        2


             §12. ɋɩɢɫɨɤ ɡɚɞɚɱ ɞɥɹ ɫɚɦɨɫɬɨɹɬɟɥɶɧɨɣ ɪɚɛɨɬɵ [2]


26.1, 26.5, 26.6, 26.9.

27.1, 27.3, 27.12, 27.13, 27.34, 27.42, 27.53, 27.56.

28.1, 28.6, 28.7, 28.15, 28.17, 28.21.

29.7, 29.14.

30.4, 30.6, 30.11, 30.12, 30.15, 30.19, 30.22.

32.1, 32.2, 32.5, 32.16, 32.24, 32.26, 32.37, 32.53, 32.55, 32.57, 32.68,
32.70, 32.78, 32.79, 32.86, 32.93, 32.94, 32.96, 32.98, 32.99.

34.2, 34.3, 34.9, 34.11, 34.12, 34.15, 34.21.

35.3, 35.4, 35.10, 35.13, 35.14, 35.19.

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