際際滷

際際滷Share a Scribd company logo
塀 犖 F                  1                                                                        犖                        5
             40201                                                                                          犖               犖           F 5
                                                                 ( 犖F                       )
                 犖            4                                                                              15

                F犖     F 5                                                                      犖 犖 犖
                  犖犖 犖 ( X )                          犖 犖, ,                       F 犖 F

1. F 2        F犖 犖 犖                                            F犖          FA 犖                               F FB 犖               F       犖 F
     FB 犖 FA F 犖        
  1.     犖                                     B 犖犖 F A 犖
  2.        犖    F B 犖犖                   F        犖      F A
  3.       犖       FB 犖                      F     犖 F FA
  4.                                        B 犖犖 F     A
                                                1
   5.                     犖 犖         (F )
                                                t
犖. 2, 3, 4, 5                 . 1, 2, 3, 5             . 1, 2, 3, 4                                             . 1, 2, 3

2. 犖犖                 犖 犖                               F                   犖           ( 犖                    1 3)             F
                      F (kg.m/s)
                   F (N)
                                                                                                犖.        20   kg.m/s
                  10
                                                                                                  .       15   kg.m/s
                  5
                                                                                                  .       10   kg.m/s
                                                                                t (s)            .        5    kg.m/s
                              1           2       3

3. 犖 F 2                      犖              F                  F犖
犖. 10 N                                   . 5.0 N                           . 2.5 N                             . 0.5 N

4. F 犖                m               F       犖             F           u               慮   犖         F         犖           F 犖         F     t
     犖 犖
                                                                                                    2mu cos慮
                                          u                                                     犖.
                                                                                                        t
                          慮                                                                       . 2 mu cos 慮 . t
                          慮                                                                       . 2 mu cos 慮 . F
                                              u
                                                                                                 . 2 mu cos 慮
5.                 犖          犖           0.5 kg              F 犖                         F               20 m/s F                                                犖
               F           F 犖    犖                       F                   20 m/s F 犖                F 犖 犖                                         0.05

   1. 犖        犖
   2.               犖                              F 犖
犖. 犖    = 5 kg.m/s                                  = 100 N                    . 犖                = 10 kg.m/s                               = 200 N
 . 犖    = 15 kg.m/s                                 = 300 N                   . 犖                 = 20 kg.m/s                               = 400 N

6.         F           犖         0.6 kg 犖 20 m 犖                                              犖 F 犖             犖                           犖     F              5m
       F                     F    F 犖        犖 犖                              犖                             F               F 犖 3.05
       犖                       F 犖
犖. 460 N                               . 360 N                                                . 250 N                                   . 150 N

7. 犖                   犖                            F F犖 犖                                                          F
犖.                                    .                  F                                    .                                         .

           F F        F 8 -10
               2犖 犖 犖                                                   F F                   6         F                   犖       犖                        
           0.2      F                               4.5             F                                           犖N
                                                                                  P1                    W                       E
8. F                                                    F犖 F                              P2
                                                                                                                    S
                                                                                          P
                       P                     P                                                                                            P
犖.                                    .                                           .                                     .



9.                                                              F                     .       ( N.s )
犖. 犖. 15                                           . 12                                                 . 6                                      . 3

10.       犖                       F                 犖
 . 犖. 150                                          . 120                                                . 90                                     . 75
塀 犖 F   1                         犖       5
                                 犖F
( 40201 )       犖   幣 4                   犖   犖       F 5




                            犖F
                            F
                           1
                           2
                           3          犖
                           4
                           5
                           6
                           7
                           8
                           9          犖
                          10

More Related Content

6.2

  • 1. 塀 犖 F 1 犖 5 40201 犖 犖 F 5 ( 犖F ) 犖 4 15 F犖 F 5 犖 犖 犖 犖犖 犖 ( X ) 犖 犖, , F 犖 F 1. F 2 F犖 犖 犖 F犖 FA 犖 F FB 犖 F 犖 F FB 犖 FA F 犖 1. 犖 B 犖犖 F A 犖 2. 犖 F B 犖犖 F 犖 F A 3. 犖 FB 犖 F 犖 F FA 4. B 犖犖 F A 1 5. 犖 犖 (F ) t 犖. 2, 3, 4, 5 . 1, 2, 3, 5 . 1, 2, 3, 4 . 1, 2, 3 2. 犖犖 犖 犖 F 犖 ( 犖 1 3) F F (kg.m/s) F (N) 犖. 20 kg.m/s 10 . 15 kg.m/s 5 . 10 kg.m/s t (s) . 5 kg.m/s 1 2 3 3. 犖 F 2 犖 F F犖 犖. 10 N . 5.0 N . 2.5 N . 0.5 N 4. F 犖 m F 犖 F u 慮 犖 F 犖 F 犖 F t 犖 犖 2mu cos慮 u 犖. t 慮 . 2 mu cos 慮 . t 慮 . 2 mu cos 慮 . F u . 2 mu cos 慮
  • 2. 5. 犖 犖 0.5 kg F 犖 F 20 m/s F 犖 F F 犖 犖 F 20 m/s F 犖 F 犖 犖 0.05 1. 犖 犖 2. 犖 F 犖 犖. 犖 = 5 kg.m/s = 100 N . 犖 = 10 kg.m/s = 200 N . 犖 = 15 kg.m/s = 300 N . 犖 = 20 kg.m/s = 400 N 6. F 犖 0.6 kg 犖 20 m 犖 犖 F 犖 犖 犖 F 5m F F F 犖 犖 犖 犖 F F 犖 3.05 犖 F 犖 犖. 460 N . 360 N . 250 N . 150 N 7. 犖 犖 F F犖 犖 F 犖. . F . . F F F 8 -10 2犖 犖 犖 F F 6 F 犖 犖 0.2 F 4.5 F 犖N P1 W E 8. F F犖 F P2 S P P P P 犖. . . . 9. F . ( N.s ) 犖. 犖. 15 . 12 . 6 . 3 10. 犖 F 犖 . 犖. 150 . 120 . 90 . 75
  • 3. 塀 犖 F 1 犖 5 犖F ( 40201 ) 犖 幣 4 犖 犖 F 5 犖F F 1 2 3 犖 4 5 6 7 8 9 犖 10