i








ii

L ...................................................................................................... i
 ............................................................ v
 ......................................................................... viii
 ...................................................................................................... ix
 ................................................................................................................. xii
CH
 ............................................................................................................ 2
 ? .......................................................... 2
 ....................................................................................... 3
  ........................................................... 6
CH   ....... 7
 khí ...................................................................... 11
................................................................................... 13
2.2.1 C tam giác ...................................................................... 14
 ........................................................................... 15
 ........................................................................ 16
2.2.4 Phép tính .................................................................. 18 
2.2.5 Các ph ...................................... 20
2 ............................................................................................. 21 
2.2.6.1 ..................................................................... 25
 ..................................................................................................... 31
2.3.1.T ............................................................................... 35 
2.3.2. Quán tính và mômen .............................................................. 35 
2.3.3 Mômen ............................................................. 37
 ........................................................................................... 42
2 cho các .......................................... 43 
 b  ..................................................................................... 44
  ........................................................ 45
iii
  ................................................. 45
  .............................................................................. 46
 ................................................................................ 46
 ...................................................................... 47
 mômen ................................................ 49
 servo ................................................ 49
 b  ............................................................ 54
  b ......................................... 55
 ................................................................................ 56
 ........................................................................ 56
2.5.2. Các y mômen ............................................ 58  
 .......................................................................... 62
2 ..................................................................................................... 64
2.5.5 ........................................................................... 66
 - .................................................................. 68Y Z)
2.5.7 N ....................................................................................... 70
 ................................................................................................. 72
CH MÔMEN ..................... 75
3.1. Các tính toán c ....................................................................................... 75 
3.1.1 Các ph ng trình c ........................................................................... 75 
 .............................................................................................. 76
 ............................................................................................. 77
 ............................................................................ 78
 khí ...................................................................... 79
 .................................................................................................... 80
 ............................................................................. 81
 ................................................................................................... 83
 ............................................................................. 84
 ............................................................................. 86
iv
3.2.6 Puli- .......................................................................................... 87
 ............................................................................................. 89
3.2.8 C ............................................................................................ 91  me
3.2.9 C ......................................................................... 92 
3.2.10 C ...................................................................................... 94 
3.2.11 C ............................................................... 96 
3.2.12 Bàn xoay ................................................................................................. 98
 .................................................................... 99
 .............................................................. 100
 ............................................................................................................ 103
 .................................................................................... 104
v

Hình 1.1.1: Chi phí .................................................. 2 
 ............................................. 4
  .......................................................... 5
Hình 2.1.1: ................................................................... 12
 ................................................................ 14
 .................................................................... 15
 ...................................................................... 16
 .................................... 17
Hình 2 theo hình tam giác và hình thang . 18
Hình 2.2.4.1: ............................................................ 19
Hình 2.2.6.1: mômen ..................................................... 22
Hình 2.2.6.2: . ................................................... 23
Hình 2 0% ................................................................................. 23
Hình 2 50% ............................................................................... 24
Hình 2 100% ............................................................................. 24
Hình 2.2.6.6: .................................................. 25
 ................................................................................ 25
 ..................................... 27
i ............................... 28
Hình 2.2.6.1.5: .............................................. 28
Hình 2.2.6.1.6: ph ng trình S thông qua MS-Excel ............. 29  
Hình 2.3.1: ............................................................................................ 31
 ............................................................. 32
 ....................................................................... 35
 .............................................. 36
 ......................................... 38
.3.3.2: .................................. 40 các phân 
 .................................................................................... 47