L = const. (19.4)
(19.4) : , . . .
, , . . ( ).
, .
Fs (Fs = Fcosa), :
A = Fss = Fs cosa. (11.1)
F d r
d = F d r = F cosa ds=Fsds,
F d r; ds = |d r | ; Fs F d r (. 13).
1 2 .
Fs s 1 2. (. 14), . , , , F=const a=const,
s (. (11.1)).
(11.1) , a<p/2 , F s
v (. . 13). a>p/2, . a = p/2 ( ) .
(): 1 , 1 1 (1 = 1 ͕).
7 .
́ ́ . , . , . . , . , , , .
(5.10) |
: , , .
() , n :
|
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. r , , z.
R (.23).
dr r r+dr. dJ = r2dm ( dr<<r, , r), dm ; 2prhdr. r , dm= r 2prhdr dJ = 2prr3dr.
p R'2h , m = pR2hr,
J = 1/2R2.
F , - , , F (. 25):
M = [ rF ].
z z, , 2 (.26).
( ) , :
L = [ rp | = [ r m v ],
r -, A; p = m v (.28); L , r p.
L = rp sinalfa =mvr sinalfa= pl,
a r p, l .
z Lz, , .
:
(17.1) vi = wri,
. .
Lz = Jzw. (19.2)
, .
(19.2) :
. .
dLz/dt= Mz
8 .
́ ́ ́, ( , ): J JC , , m d :
JC , ,
J ,
m ,
d .
, :
- :
,
- . :
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, :
, :
:
:
,
JC , .
, , ( C)
d C. , , , d = L / 2:
9 .
, ; ( ).
= '. (34.5)
, ( = 0), , (34.5), ' = 0, .. K' ( ).
, (34.5) : , . . . , , , , . , , , , , .
I. : (, , ), , , ; .
II. : .
, , , , , , , . , , . . (, , .) .
, , .
, , (.34):
, ( , ' v ).
1904 ., , , (. 139) .
, v. , ' v, ! - v.
, , , , . , , (. (36.3)) , , , . . . , , , , -.
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