: .
, (. 2.1). . , m1, .
:
(m + m1)g T2 = (m + m1)a,
T1 - mg = ma, (2.1)
(T2 T1)r M = Iε.
(m + m1)g T2, T1 mg. (T2 T1)r M ε, ε = /r. (2.1) (I ).
(2.1) (2.2) :
(2.2)
, , (2.3), V, , S .
. (2.3)
. (2.4)
(2.2), m1g, m1 2 m (. 2.2)
. 2.2
. 2.2 (2.2)
(2.5)
I ,
(2.6)
-2, . 2.3.
. 2.3
1 2, 3 4. 1 5. 6, . , 7 8 . 7 9. 11 , . 12 , 3 4 . 7 3 4.
220 . 6, . 7 9 , 2. . 10, 7 . 7 , 3 4. 4, . . , 7 3 4 0,1 , 0,000 0,800, .
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. . . 1 2 . 0,800.
. 1. .
1. 2 , 3 4 , 5 .
2. , 2. 2.1. 2.1 m1 3 4 (h2 h3 ).
2.1
h1, | h2, | h3, | m1, | t, c | tcp, c | V, c/c | a, c/c2 | m1g, | |
3. , , . t h2 h3 3 4.
4. .
5. ( 2 4) tcp.
6. ( 2 5) , 2.1.
7. h2 h3 (2.4)
; .
8. a = f(m1g). (2.7) ( ).
. 2. .
1. 2 7 . 7 2. 2.2 m1 h1, 3 4 (h2 h3 ) h21 , 7.
2.2
h1, | h2, | h21, | h3, | t, c | tcp, c | h2 - h3, c | S= h1- h21 c | V, c/c | V2, (c/c)2 | |
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2. , , .
2.2 t h2 h3 3 4.
3. .
4. ( 1 3) .
5. ( 1 4) h1
2. 2 , 0,1 .
6. .
; .
7. V2 = f(S) .
8. .
1. .
2. ?
3. ?
4. , 2.