摘要
以注射器和水为例,介绍了利用电子天平定量探究静摩擦力的方法.实验通过2台电子天平示数的变化进而判断静摩擦力的方向和大小变化,同时还验证了牛顿第三定律.
Taking injector and water as examples, the method of exploring quantitatively static friction using electronic balances was introduced. The changes of readings of two electronic balances showed the changes of the direction and strength of static friction. Newton third law was also veri- fied.
出处
《物理实验》
2016年第12期39-41,共3页
Physics Experimentation
关键词
静摩擦力
电子天平
牛顿第三定律
static friction force
electronic balance
Newton third law
