主题

• 静电
• 电力
• 一对力
• 库仑'定律

描述

以可视化的方式观察两个电荷之间的静电力。观察符号和带电量的改变以及电荷间距离的改变如何影响静电力。

示范 学习目标

• Relate the electrostatic force magnitude to the charges and the distance between them
• Explain Newton's third law for electrostatic forces
• Use measurements to determine Coulomb’s constant
• Determine what makes a force attractive or repulsive