匀变速直线运动是高中阶段重点学习的基本运动,其加速度是不变的。在此基础上,运动物体的加速度变化的问题正在越来越受到高考的关注,在全国各地的高考试卷中均屡有出现,成为考查学生创新能力的重要题型。为此,我们有必要对此类问题进行深层探究,以提高学生的分析能力。那么,运动物体的加速度变化是因为什么造成的呢? Even speed linear motion is the focus of learning in high school basic movement, the acceleration is constant. On this basis, the acceleration of moving objects is more and more subject to the concern of the college entrance examination in the examination papers all over the country are often appear, as an important test of student innovation ability. To this end, we need to conduct deep research on such issues in order to improve students’ analytical skills. So, the acceleration of moving objects because of what caused it?