重力和质量是初二物理教科书中涉及到的两个重要的物理量,也是两个完全不同的物理量.一些同学常常对它们产生误解,把两个重要的概念混为一团.为了帮助同学们对这两个重要的概念有较深刻的认识和理解,下面谈谈这两个物理量的区别与联系.1.其物理意义不同质量是指物体中所含物质 Gravity and quality are the two important physical quantities involved in the second physics textbook. They are also two completely different physical quantities. Some students often misunderstand them and mix two important concepts together. To help students These two important concepts have a deeper understanding and understanding. Let’s talk about the differences and relations between these two physical quantities. 1. The physical meaning of different qualities refers to the substances contained in objects.