加速度教学谈宋月珍加速度是物理学中描述运动的一个重要物理量，这个物理量的概念比较抽象，理解和掌握这个物理量对于学好运动学是一个关键。１．加速度的物理意义。即为什么要引入加速度这个物理量。首先要说明加速度的引入具有重要的现实意义。百米赛跑，起跑时速度增... Acceleration Teaching Song Yuezhen Acceleration is an important physical quantity describing motion in physics. The concept of this physical quantity is relatively abstract. Understanding and mastering this physical quantity is a key to learning kinematics. 1. The physical meaning of acceleration. That is why the physical quantity of acceleration is introduced. First of all, it should be explained that the introduction of acceleration has important practical significance. 100-meter race, increase speed at the start...