1. ʽ F |1
ʿ 1
F F 6 F F
F (X) , , F F F
1. F F
1. F F F
2. F F F F 2
3. F F F F F F F F FF
F 1
F F
. F 1,2 3 . F 1,3
. F 2,3 . F 1, 2
2.
1. F F F F
2. ˈ F F F F F F F
ˈ F
v v =0
3. F F=0 a
F F
. F 1,2 3 . F 1,3
. F 2,3 . F 1, 2
3. F F F F
. F F . F
. F . F
4. F F F ʽ F
. . F
. F . F
5. F F F F 2
. F F F F F
. F F F
. F F F F F
.
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2. ʽ F |2
6. 2 16 24 F 2
F F
. 20 4 F ( )2 . 12 8 F( )2
. 80 16 F( )2 . 48 32 F( )2
7. A 42 F F F 3 F( )2 F
. 126 . 45
. 39 . 14
8. A 2 F 10 F F
10
. 40 . 200
. 400 . 500
9. F F F 10 F 20 F
10
. 10 . 20
. 30 . 40
10. F F 800 F F 40 F
F F F( )2
. 20 . 16
. 10 . 4
11. A 50 10 ˈ 28 F
F ˈ
. 140 N . 1400 N
. 14 N . F F
2
12. F F 12 F 108 F
72 F F F
. 6 m/s2 . 8 m/s2
. 9 m/s2 . 10 m/s2
13. F 40 F F F 3 F( )2
200 F F
. 50 N . 60 N
. 80 N . F F
14. 50 300 8 F
F 75 F 8
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3. ʽ F |3
. 144 m , 36 m/s . 36 m/s , 140 m
. 36 m , 144 m/s . 36 m/s , 144 m
15 F 50 18 F F
F 30 F F
. 270 N . 27 N
. 2.7 N . F
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4. ʽ F |4
ʿ 2
F F F ʿ F F F F
1. F ˈ ..
2. F ˈ
3. ˈ ˈ F .
F ˈ ..
4. F F F ..
5. F ˈ F F F ..
6. F ˈ F F F
7. F 1 F F .
...
F .. ...
8. F 2 F F .
...
F .. ...
9. F 3 F F .
...
F .. ...
10. F F F . .
...
11. F F F F
2. .. 3 kg 1. ..
4 kg F F F F
.
4. F 3. F
.. ..
5 kg . 2 kg .
. .
F F
F ... .. F ..
. .. . .
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5. ʽ F |5
5. F F F F
6 kg 2 4 kg 2
2 m/s . 1.5 m/s ...
. .
. .
F .. .. F .. ..
. .
12. 3 4 F 2 F F F F
)
) F
)
13. 30 F F F 5 m/s2 FF F F F ˈ 3
F F F F
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6. ʽ F |6
14. 2 kg F F F F F F
) F
) F F
) F F F 3 m/s2
) F F 3 m/s2
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