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普通自行车已成为我国人民普遍使用的交通工具,因此常在力学教学中被提及.但观摩实际课常教学,有些认识并不一致.本文就以下三方面谈谈认识.1 自行车运动的动力学方程骑车人是怎样使自行车及人这一系统前进的呢?我们从自行车在平直公路上直线行走,且车轮和路面都不发生形变这一理想情况出发加以讨论。
Ordinary bicycle has become a common means of transport for people in our country, so it is often mentioned in mechanics teaching.But observing the actual teaching is not always consistent with some teaching.There are three aspects in this article: 1. The kinetic equation of bicycle How does the cyclist move the bicycle and people system? We start with the idea that a bicycle should travel straight on a straight road with no deformation of the wheels and the road.