《西游记》是大家比较熟悉和喜欢的电视剧,剧中孙悟空腾云驾雾飞行的镜头很多,如图1.善于思考的同学一定会问,孙悟空的“腾云驾雾”是怎样拍摄出来的?难道是给演员身上安装了“飞行器”吗?要弄明白这些问题,我们首先需要知道运动的相对性.我们先从一个简单的例子说起.对于教室内的桌椅,你说它们是静止的还是运动的?你可能说它们是静止的,因为我们看到的教室是不动的,桌椅也是不动的.另一些同学可能说它们是运动的,理由是地球在不停地自转,同时地球还在不停 “Journey to the West” is everyone familiar and love the TV series, the drama of the Monkey King sky clouds flying a lot of shots, as shown in Figure 1. Good thinking students will ask, the Monkey King “Tengyunfang ” is taken out? Is to give To get to know these questions, we first need to know the relativity of the exercise. Let’s start with a simple example. For classroom furniture, do you say that they are still or You may say that they are stationary, because the classrooms we see are not moving, tables and chairs are not moving, and other students may say that they are exercising on the ground that the Earth is constantly spinning and that the Earth Still kept