根据人教社关于“高中物理必修课教材调整”的意见看来,必修课中删去的部分,都是10年来全国高考中多次出现高档题目的重要定理、定律和知识综合点。如力学中动量定理、动能定理、机械能守恒定律和电学中的楞次定律、法拉第电磁感应定律.又如共点力作用下物体的平衡、有固定转动轴物体的平衡,以及带电粒子在匀强电场和磁场中的运动、连接体问题、用运动学图象和波动图象讨论问题等。以往,有些教师为应付高考,往往在高一授课时,就拿涉及这些知识点的往届高考题或难于往届高考题的 According to the opinion of the People’s Education Agency about “advancement of textbooks for high school physics required courses”, the deleted parts of compulsory courses are all important theorems, laws, and knowledge integration points for high-grade topics that have appeared many times in the national college entrance examination in the past 10 years. For example, momentum theorem in kinetics, kinetic energy theorem, conservation of mechanical energy and Lenz’s law in electricity, Faraday’s law of electromagnetic induction. Another example is the balance of an object under the action of a common point force, the balance of objects with a fixed axis of rotation, and the uniformity of charged particles. Motions in electric and magnetic fields, problems with connectors, discussing problems with kinematic images and fluctuating images. In the past, some teachers used to take college entrance exams, and they often took college entrance examination questions that involved these knowledge points or were difficult