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第三章 “运动定律”这一章讲授牛顿运动定律。牛顿运动定律在力学中占有重要地位,它是经典力学的基础。学好这一章,不仅有助于加深理解已学过的运动学知识,而且将为进一步学习力学知识奠定基础。下面就这一章的改编情况作些说明。一、教学目的要求和单元划分这一章教材的目的要求是:掌握牛顿第一运动定律、明确力、惯性等概念的物理意义;正确理解和掌握牛顿第二定律;明确质量和重量
The third chapter “Motion law” This chapter teaches Newton’s laws of motion. Newton’s law of motion occupies an important position in mechanics, and it is the basis of classical mechanics. Learning this chapter will not only help deepen the understanding of the kinematics knowledge that has been learned, but also lay the foundation for further study of the knowledge of mechanics. The following is a description of the reorganization of this chapter. First, the purpose of teaching requirements and unit division This chapter of the textbook’s purpose requirements are: to grasp the physical meaning of Newton’s first law of motion, clear force, inertia and other concepts; correctly understand and grasp Newton’s second law; clear quality and weight