众所周知,牛顿三定律是整个经典力学的基础。但是,迄今为止牛顿第三定律没有安排学生实验,照现行课本的演示实验可见度较差,有的还不能定量。为此,我们利用学校现有仪器,设计了一个验证牛顿第三定律的学生实验(也可作演示实验)。实验器材:托盘或物理天平附砝码、弹簧秤(演示实验要改用演示弹簧秤)、烧杯、10 As we all know, Newton’s three laws are the basis of the entire classical mechanics. However, up to now, Newton’s third law has not arranged student experiments. According to the current textbooks, demonstration experiments have poor visibility and some cannot be quantified. To this end, we used the school’s existing equipment to design a student experiment that validated Newton’s third law (also as a demonstration experiment). Experimental equipment: pallets or physical balances with weights, spring scales (demonstration experiments to use demonstration spring scales), beakers, 10