Forlelulz
2021-01-30T09:54:19+00:00
假设有一台巨大跑步机,上面有一架喷气式飞机。跑步机向后的速度永远等于飞机起落架轮胎的转速。飞机起落架足够坚固能承受无限大的转速,且起落架轴承是黑科技绝对润滑。
请问飞机能正常起飞吗?
其实这题是个很简单的受力分析,换种问法就是喷气式飞机在绝对光滑的平面上能否起飞?
大家可以去看看这位西安航空学院老师的视频就明白了,楼下某位长篇大论列公式的真是笑死我了[s:ac:哭笑]
[img]https://img.nga.178.com/attachments/mon_202102/05/-7Q16p-7ryzZvT3cSzk-ok.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202102/06/-7Q16p-4wm9K2aT1kShs-12g.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202102/06/-7Q16p-gkfK2cT1kShs-12g.jpg.medium.jpg[/img]
这位老师的解释很到位
[img]https://img.nga.178.com/attachments/mon_202102/06/-7Q16p-i9vhK2gT3cSsg-qk.jpg.medium.jpg[/img]
请问飞机能正常起飞吗?
其实这题是个很简单的受力分析,换种问法就是喷气式飞机在绝对光滑的平面上能否起飞?
大家可以去看看这位西安航空学院老师的视频就明白了,楼下某位长篇大论列公式的真是笑死我了[s:ac:哭笑]
[img]https://img.nga.178.com/attachments/mon_202102/05/-7Q16p-7ryzZvT3cSzk-ok.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202102/06/-7Q16p-4wm9K2aT1kShs-12g.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202102/06/-7Q16p-gkfK2cT1kShs-12g.jpg.medium.jpg[/img]
这位老师的解释很到位
[img]https://img.nga.178.com/attachments/mon_202102/06/-7Q16p-i9vhK2gT3cSsg-qk.jpg.medium.jpg[/img]