在气垫导轨上演示运动独立性原理  

Demonstration of independence of motion on air track

作　　者：代伟[1] 陈太红[1] 陈元莉[1] 黄蕊彬[1] 

机构地区：[1]西华师范大学物理与电子信息学院,四川南充637002

出　　处：《物理实验》2009年第7期28-30,共3页Physics Experimentation

摘　　要：从平抛运动出发,在气垫导轨上演示小球自由下落和竖直上抛实验,将平抛和斜抛运动分成垂直和水平2个方向的运动.本实验演示效果较好,实验现象直观,宜于学生理解运动的独立性原理.Based on the principle of horizontal projectile movement, the experiments of the freely falling body and the vertical projectile motion are demonstrated on the air track. The horizontal projectile motion and the inclined projectile motion are decomposed into the horizontal motion and the vertical motion. The demonstration effect is better, and the phenomena are easy to observe. The experiment makes it easy for the students to understand the vector nature of motion.

关 键 词：运动独立性 气垫导轨 平抛运动 斜抛运动 

分 类 号：O311[理学—一般力学与力学基础]