, . , , . , , . , :
= 2pÖ (l/g) (1)
. (, ) . , .
, , . , . ϕ , . M= -mgsinϕ, m , , sinϕ .
, sinϕ ϕ, , ..
M = -mgaϕ (2)
ϕ . :
M = I , (3)
M , , I , .
3 2 , : I = -mgaϕ,
+ = 0. (4)
(4) .
Φ= (5)
= .
ϕ 4.
, :
T = 2 (6)
(1) :
(7)
l . α g:
g = (8)
1 6 ,
(9)
, . 9 . , , . , , , , , , , . . , , , . . , . . ,
|
|
T = 2 (10)
g.
1
.
1
N n/n | l, | n | t, c | T = t/n, c | T,C | T2, 2 |
0,3 | 16,553 | 1,1035 | 1,1035 | 1,165 | ||
16,560 | 1,1040 | |||||
16,548 | 1,1032 | |||||
0,35 | 15,795 | 1,1863 | 1,186 | 1,406 | ||
17,789 | 1,1850 | |||||
17,791 | 1,1860 | |||||
0,4 | 18,994 | 1,266 | 1,2656 | 1,603 | ||
18,990 | 1,266 | |||||
18.988 | 1,265 | |||||
0,45 | 20,293 | 1,353 | 1,355 | 1,830 | ||
20,385 | 1,359 | |||||
20,298 | 1,353 | |||||
0,5 | 21,335 | 1,422 | 1,4226 | 2,025 | ||
21,339 | 1,423 | |||||
21,341 | 1,423 |
l=0,45
:
∆T=T-T
DT1 =0,002, DT2 = -0,004, DT3 = 0,002
:
DT = (½DT1½+½DT2½+½DT3½)/3 = 0,0026
:
e=(DT/)100%=0,196 %.
2
.
2.1
1
N n/n | N | l, | t,c | T1 = t/n, c | T1c, |
0,5 | 63,061 | 1,261 | 1,261 | ||
0,5 | 63,058 | 1,261 | |||
0,5 | 63,063 | 1,261 |
2.3.
Ғ2
N n/n | N | l, | t, c | T2 = t/n, c | T2c., |
0,36 | 32,592 | 1,304 | 1,3043 | ||
0,36 | 32,595 | 1,304 | |||
0,36 | 32,589 | 1,303 |
2.4
Ғ2
N n/n | N | l, | t, c | T2= t/n, c | Ғ2, |
0,35 | 71,608 | 1,326 | 1,326 | ||
0,35 | 71,610 | 1,326 | |||
0,35 | 71,605 | 1,326 |
2.5.
<1
N n/n | N | l, | t, c | T = t/n, c | Tc, |
0,4 | 62,579 | 1,251 | 1,251 | ||
62,582 | 1,252 | ||||
62,578 | 1,251 |
2.6.
>1
N n/n | N | l, | t, c | T =t/n, c | Tcp |
0,35 | 65,834 | 1,317 | 1,317 | ||
0,35 | 65,832 | 1,317 | |||
0,35 | 65,838 | 1,317 |
2.3.
:
|
|
DT1=0,0003 c, DT2 =0,0003 c, DT3 =0,0013 c.
:
DT = 0,00063 c.
:
e = 0,0483%.
1.
2 = f (l) g , a .
tga = 4,01 Þ g = 9,835 /c2
:
ε
ε
2
l g (=1).
2 = f (l) , l = 0,4 .
l = 0,4 Þ g = 9,93 /c2
ε