Python編程與3D物理學(xué)仿真（視頻版）

第1 章　Python 3D 物理學(xué)基礎(chǔ)........................................................................ 1
1.1　入門(mén)實(shí)例....................................................................................................................... 1
1.1.1　命令行輸入.................................................................................................... 1
1.1.2　程序文件輸入................................................................................................ 2
1.2　3D 模型的創(chuàng)建 ............................................................................................................. 3
1.2.1　3D 坐標(biāo)系...................................................................................................... 3
1.2.2　球體模型........................................................................................................ 3
1.2.3　長(zhǎng)方體模型.................................................................................................... 4
1.2.4　圓柱體模型.................................................................................................... 6
1.2.5　螺旋體（彈簧）模型..................................................................................... 7
1.2.6　箭頭模型........................................................................................................ 9
1.3　位置的移動(dòng)................................................................................................................... 9
1.3.1　直接修改位置屬性................................................................................... 9
1.3.2　引入速度概念修改位置屬性....................................................................... 10
1.4　3D 動(dòng)畫(huà)的實(shí)現(xiàn)——物體位置的連續(xù)改變 ............................................................... 11
1.4.1　3D 動(dòng)畫(huà)的構(gòu)成............................................................................................. 11
1.4.2　rate() 函數(shù)的作用......................................................................................... 13
1.5　勻速直線(xiàn)運(yùn)動(dòng)程序?qū)嵗?............................................................................................ 14
第2 章運(yùn)動(dòng)的描述......................................................................................... 21
2.1　位置與參考系實(shí)例..................................................................................................... 21
IX
目錄
2.2　位移- 時(shí)間關(guān)系實(shí)例 ................................................................................................. 24
2.3　速度的概念——追及問(wèn)題實(shí)例................................................................................. 29
2.4　加速度的概念實(shí)例..................................................................................................... 33
第3 章　勻變速直線(xiàn)運(yùn)動(dòng)的研究........................................................................ 38
3.1　初速度為零的勻變速直線(xiàn)運(yùn)動(dòng)實(shí)例......................................................................... 38
3.2　加速度為負(fù)的勻變速直線(xiàn)運(yùn)動(dòng)實(shí)例......................................................................... 43
3.3　多階段勻變速直線(xiàn)運(yùn)動(dòng)實(shí)例..................................................................................... 48
3.4　自由落體運(yùn)動(dòng)實(shí)例..................................................................................................... 53
3.5　豎直上拋運(yùn)動(dòng)實(shí)例..................................................................................................... 59
第4 章　相互作用——力................................................................................ 64
4.1　彈簧與胡克定律實(shí)例................................................................................................. 64
4.2　動(dòng)摩擦力與靜摩擦力實(shí)例......................................................................................... 69
4.3　力的合成實(shí)例............................................................................................................. 74
4.4　重力沿斜面的分解實(shí)例............................................................................................. 75
4.5　力的平行四邊形分解實(shí)例......................................................................................... 81
第5 章　運(yùn)動(dòng)和力的關(guān)系................................................................................ 84
5.1　直線(xiàn)運(yùn)動(dòng)加速度與力、質(zhì)量關(guān)系實(shí)例..................................................................... 84
5.2　考慮摩擦力的斜面運(yùn)動(dòng)實(shí)例..................................................................................... 92
5.3　伽利略斜面運(yùn)動(dòng)實(shí)例................................................................................................. 99
第6 章　拋體運(yùn)動(dòng)....................................................................................... 108
6.1　外力方向和初始速度方向垂直的曲線(xiàn)運(yùn)動(dòng)實(shí)例................................................... 108
6.2　平拋運(yùn)動(dòng)實(shí)例........................................................................................................... 113
6.3　一般拋體運(yùn)動(dòng)實(shí)例................................................................................................... 119
第7 章　圓周運(yùn)動(dòng)....................................................................................... 127
7.1　基于三角函數(shù)的圓周運(yùn)動(dòng)仿真實(shí)例....................................................................... 127
7.2　圓周運(yùn)動(dòng)的向心加速度實(shí)例................................................................................... 130
7.3　圓周運(yùn)動(dòng)的向心力及其分解實(shí)例........................................................................... 134
7.4　圓周運(yùn)動(dòng)、向心運(yùn)動(dòng)與離心運(yùn)動(dòng)實(shí)例................................................................... 141
7.5　圓錐擺實(shí)例............................................................................................................... 146
第8 章　萬(wàn)有引力及宇宙航行........................................................................ 152
8.1　地球及衛(wèi)星物體間萬(wàn)有定律實(shí)例........................................................................... 152
8.2　地球近地衛(wèi)星橢圓軌道實(shí)例................................................................................... 155
8.3　地球近地衛(wèi)星軌道周期及半長(zhǎng)軸的計(jì)算實(shí)例....................................................... 160
8.4　地球近地衛(wèi)星變軌實(shí)例........................................................................................... 163
8.5　相對(duì)論長(zhǎng)度收縮效應(yīng)實(shí)例....................................................................................... 167
第9 章　機(jī)械能守恒定律.............................................................................. 171
9.1　功與動(dòng)能實(shí)例........................................................................................................... 171
9.2　斜面運(yùn)動(dòng)重力做功與重力勢(shì)能實(shí)例............................................................................... 176
9.3　彈簧彈力勢(shì)能實(shí)例................................................................................................... 182
9.4　單擺運(yùn)動(dòng)機(jī)械能守恒實(shí)例....................................................................................... 188
第10 章　動(dòng)量守恒定律............................................................................... 195
10.1　動(dòng)量概念與動(dòng)量定理實(shí)例..................................................................................... 195
10.2　兩球?qū)π呐鲎矊?shí)例................................................................................................. 200
10.3　單擺彈性碰撞實(shí)例................................................................................................. 206