16/3,5 - -
, | 1. | 2 |
1.0 | 2.0 | |
1.1 | 2.1 | |
1.2 | 2.2 | |
1.3 | 2.3 | |
1.4 | 2.4 | |
1.5 | 2.5 | |
1.6 | 2.6 | |
1.7 | 2.7 | |
1.8 | 2.8 | |
1.9 | 2.9 | |
1.0 | 2.0 | |
1.1 | 2.1 | |
1.2 | 2.2 | |
1.3 | 2.3 | |
- | 1.4 | 2.4 |
1.5 | 2.5 | |
1.6 | 2.6 | |
1.7 | 2.7 | |
1.8 | 2.8 | |
: 1 2.
1 2 .
, .
1
, (. 1.0-1.9, . 1) , , .
C , P=25 . = 100 ͷ , , (, 1 F 2 15 , D, F 3 60 , E, . .).
, . a = 0,5 .
. C1 . , , , , . ( ), , . - F F ' F ( ), ; ( ):
: , , , .
, :
1. , .
2. . ?
3. , . .
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4. (). ?
5. , .
6. .
7. , .
8. ( )? : () .
C1. Ƹ ABCD (. C1) , - . .
: F = 25 , α= 60, = 18 , γ= 75, = 50 ͷ, β=300, l = 0,5 .
: , .
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. (. C1):
) (): F ;
) :
- A , X, Y, ;
- , ;
- D , T ( = ).
; .
F F : :
(3), R:
R (1), :
R (2), :
. , , ( ( ). , .
: = -8,5 , YA = -23,3 , RB = 7,3 . , X Y C1.
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2
( ) , , , D (. 2.0-2.9, . 2). ( H, , L M ) . , , P=200 ; Q=100 . P , y, z , α1=450, β1=600, γ1=600, Q α2=600, β2=450, γ2=600; , , z . 2.0.
, , . φ=600, θ=510.
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. 2.10 , 2.1, L , LM, LA, LB; , , MD. φ θ; .
. 2 . , , ; , .
, . , ; , (, N 1, N 2 ..).
2 , 1, .
2. 1, 2, , 6, ( ) , , , D (. 2). P Q, α1=600, β1=600, γ1=450 α2=450, β2=600, γ2=600 ( α1, β1, γ1).
: =100 , α1=600, β1=600, γ1=450; Q=50 , α2=450, β2=600, γ2=600, ψ=300, φ=600, δ=740.
: 1-6.
.
1. , 1, 2, 3. :
) P;
) (): N 1, N 2, N 3, , . . :
(1), (2), (3) , N1=349 , N2 = -345 , N3 =141 .
2. . :
) Q;
) (): N 2, N 4, N 5, N 6. N 2 N 2.
. :
N 5 O O (4) (5) N 5 ( ), O, O.
(4), (5), (6) , , , N4, N5, N6. , (1)-(3) (4)-(6) .
, , x1 , , , xOy. .
: N1=349 ; N2 = -345 ; N3 =141 ; N4=50 ; N5 =329 ; N6 =-66 .
, 2 6 , .