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平抛、斜抛运动,是中学物理教学重点,也是难点。现在生产的几种仪器,演示效果都不理想,不能定量演示物体运动是两种运动的合运动。 为此我设计了一种平抛斜抛运动演示仪,它可演示并验证:
Flat throwing and oblique throwing exercises are the key and difficult points for physics teaching in middle schools. At present, several kinds of instruments produced are not ideal for demonstration. It is impossible to quantitatively demonstrate that the motion of an object is the combined motion of two kinds of motion. For this purpose, I designed a flat throw oblique motion demonstrator that demonstrates and verifies: