BÀI *,୔1*
CŢ H୾&1(:721
Benjamin Crowell
Trҫn Nghiêm (hiepkhachquay) dӏch
An Minh, hè 2008
7¢LOL୹XSK£WK¢QKW୓L
Www.thuvienvatly.com
i
Ӯȱâȱ¥ȱӤ
чԔȱȱȱȱчԚǰȱ¹ȱ
ii
%jLJLҧQJ&ѫKӑF1HZWRQ
4X\ӇQWURQJORҥWViFKYұWOtWұSFӫDWiFJLҧ%HQMDPLQ&URZHOO
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5ҩWPRQJQKұQÿѭӧFêNLӃQÿyQJJySFӫDFiFEҥQ
trannghiem@ymail.com
iii
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&KѭѫQJ
*LӟLWKLӋXYjQKұQ[pW ......................................................................................................... 1
0.1 3KѭѫQJSKiSNKRDKӑF ........................................................................................................... 2
9ұWOtOjJu .............................................................................................................................. 4
+ӑFYұWOtQKѭWKӃQjR ............................................................................................................ 8
7ӵÿiQKJLi ............................................................................................................................ 9
&ѫVӣFӫDKӋPpW .................................................................................................................... 9
1HZWRQÿѫQYӏKӋPpWFӫDOӵF ............................................................................................ 13
&iFWLӃSÿҫXQJӳKӋPpWNpPWK{QJGөQJKѫQ .................................................................... 14
.tKLӋXNKRDKӑF .................................................................................................................. 15
0.9 Chu\ӇQÿәLÿѫQYӏ ................................................................................................................ 16
1KӳQJFRQVӕFyQJKƭD ...................................................................................................... 17
%jLWұS ........................................................................................................................................ 20
CKѭѫQJ1
ѬӟFWtQKTX\P{YjEұFÿӝOӟQ ...................................................................................... 23
*LӟLWKLӋX ............................................................................................................................. 23
;iFÿӏQKGLӋQWtFKYjWKӇWtFK .............................................................................................. 26
6ӵSKkQFKLDWӍOӋiSGөQJFKR6LQKKӑF .............................................................................. 34
ѬӟFWtQKEұFÿӝOӟQ.............................................................................................................. 38
%jLWұp ........................................................................................................................................ 40
3KҫQ,
CKX\ӇQÿӝQJWURQJNK{QJJLDQPӝWFKLӅX
CKѭѫQJ2
VұQWӕFYjFKX\ӇQÿӝQJWѭѫQJÿӕL ............................................................................... 47
&iFORҥLFKX\ӇQÿӝQJ ........................................................................................................... 47
0{WҧNKRҧQJFiFKYjWKӡLJLDQ ........................................................................................... 53
ĈӗWKӏFKX\ӇQÿӝQJ9ұQWӕF ............................................................................................... 55
2.4 Nguyên lí quán tính .............................................................................................................. 60
&ӝQJYұQWӕF ........................................................................................................................ 63
ĈӗWKӏYұQWӕF± WKӡi gian ..................................................................................................... 65
ÈSGөQJJLҧLWtFK .................................................................................................................. 66
Bài WұS ........................................................................................................................................ 68
CKѭѫQJ
*LDWӕFYjVӵUѫLWӵGR ....................................................................................................... 71
&KX\ӇQÿӝQJFӫDYұWUѫL ...................................................................................................... 71
*LDWӕF .................................................................................................................................. 74
iv
*LDWӕFGѭѫQJYjkP ............................................................................................................ 78
*LDWӕFELӃQWKLrQ ................................................................................................................. 81
'LӋQWtFKErQGѭӟLÿӗWKӏYұQWӕF± WKӡi gian ...................................................................... 83
.ӃWTXҧÿҥLVӕÿӕLYӟLJLDWӕFNK{QJÿәL ............................................................................. 85
7iFGөQJVLQKOtFӫDVӵNK{QJWUӑQJOѭӧQJ.......................................................................... 87
ÈSGөQJJLҧLWtFK .................................................................................................................. 90
Bài WұS ........................................................................................................................................ 91
CKѭѫQJ
LӵFYjFKX\ӇQÿӝQJ ........................................................................................................... 98
/ӵF ....................................................................................................................................... 99
ĈӏQKOXұW,1HZWRQ............................................................................................................. 102
ĈӏQKOXұW,,1HZWRQ ........................................................................................................... 105
4.4 /ӵFNK{QJSKҧLOj .............................................................................................................. 108
+ӋTX\FKLӃXTXiQWtQKYjSKLTXán tính ........................................................................... 110
Bài WұS ...................................................................................................................................... 112
CKѭѫQJ5
3KkQWtFKOӵF ....................................................................................................................... 115
ĈӏQKOXұW,,,1HZWRQ .......................................................................................................... 115
3KkQORҥLYjKjQKYLFӫDOӵF .............................................................................................. 119
3KkQWtFKOӵF ...................................................................................................................... 127
6ӵWUX\ӅQOӵFEӣLFiFYұWNKӕLOѭӧQJWKҩS ......................................................................... 129
&iFYұWGѭӟLVӭFFăQJ ........................................................................................................ 131
0i\FѫÿѫQJLҧQ5zQJUӑF ............................................................................................... 132
Bài WұS ...................................................................................................................................... 134
PKҫn II
CKX\ӇQÿӝQJWURQJNK{QJJLDQEDFKLӅX
CKѭѫQg 6
Các ÿӏQKOXұW1HZWRQWURQJNK{QJJLDQEDFKLӅX ................................................. 141
&iFOӵFFyWiFGөQJNK{QJYX{QJJyF ............................................................................... 141
+ӋWӑDÿӝYjFiFWKjQKSKҫQ .............................................................................................. 143
&iFÿӏQKOXұW1HZWRQWURQJNK{QJJLDQEDFKLӅX .............................................................. 147
%jLWұS ...................................................................................................................................... 149
CKѭѫQJ7
Vector .................................................................................................................................... 151
.tKLӋXYHFWRU ..................................................................................................................... 151
&iFSKpSWtQKYӟLÿӝOӟQYjKѭӟQJ .................................................................................... 154
3KѭѫQJSKiSFӝQJYHFWRU .................................................................................................. 155
.tKLӋXYHFWRUÿѫQYӏ ......................................................................................................... 157
%ҩWELӃQTXD\ ...................................................................................................................... 157