| 加加速度的力学计算和物理意义 |
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| 引用本文： | 孟昭曜. 加加速度的力学计算和物理意义[J]. 四川师范大学学报(自然科学版), 2005, 28(6): 741-743 |
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| 作者姓名： | 孟昭曜 |
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| 作者单位： | 重庆教育学院,计算机与现代教育技术系,重庆,400067 |
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| 摘 要： | 由于军事工业和现代交通的快速发展,使机械的运转和行进的速度加快,加速度的变化率即加加速度,引起了关注.举例对加加速度进行了计算和讨论,其结果显示:在全球定位系统(GPS)、高速列车、高速电梯、交通事故分析等,忽略了加速度的变化率,所进行的分析和计算是不完备的.
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| 关 键 词： | 高速运动 加加速度 瞬时力 |
| 文章编号： | 1001-8395（2005）06-0741-03 |
| 收稿时间： | 2005-01-13 |
| 修稿时间： | 2005-01-13 |
Mechanical Calculation and Physical Understanding of the Derivative of Acceleration |
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| MENG Zhao-yao. Mechanical Calculation and Physical Understanding of the Derivative of Acceleration[J]. Journal of Sichuan Normal University(Natural Science), 2005, 28(6): 741-743 |
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| Authors: | MENG Zhao-yao |
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| Affiliation: | Department of Computer and Education Technology, Chongqing College of Education, Chongqing 400067 |
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| Abstract: | Because of rapid development in the military industry and modern communication,the motion velocity of the mechanism is sped up.The derivative of acceleration,namely,the jerk,should be given more attention.The calculation and discussion are performed for the jerk with some examples.The results show that in GPS,high-speed trains,high-speed elevators and communication accident analyses,these calculations and discussions are not perfect with neglecting the derivative of acceleration. |
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| Keywords: | High-speed motion Jerk Yank |
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