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(. . .)
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(. . .)
г - 200
:
: , ; ; .
5.1. ʲ Ͳ ²Ҳ.
, m r:
J = m r2; (5.1)
J , , , , , (5.4).
; (5.2)
(5.2) (5.3), ᒺ .
; (5.3)
(5.3), , . , (5.3), . (), , :
; (5.4)
m, r - ().
, .
Ѳ: [J] = [m r2] = [ 2].
5.2. ί .
5.1. (1) (4) , , (2). , (3), m.
h1 㳿 mgh1. , mv2/2, jw2/2 Fh1.
. 5.1. |
, 㳿, :
mgh1 = mv2/2 + jw2/2 + F h1; (5.5)
, h2, h1. , 㳿 . :
F (h1+h2) = mgh1 - mgh2; (5.6)
(5.6) (5.7) :
; (5.7)
m - , 86 417 400 418; R - ; t - h1.
5.3. .
1. R, , 5.1.
2. , h1. 5.1.
|
|
3. ³ . 5.1.
3. h2, . 5.1.
5. , .. 1 - 5 5 . 5.1.
6. (5.7) . 5.1.