I think I knew what's wrong with you. As you seemed somewhat knowledgeable
所有跟贴·加跟贴·新语丝读书论坛
送交者: Hoffman 于 2017-02-24, 11:19:52:
回答: 似乎应该区分一下基本概念：如磁场与磁力，磁场能量与磁场的所谓势能。洛伦茨力 由 luzhong 于 2017-02-24, 09:00:49:
let's go one by one:
洛伦茨力做功为零(这只是个特例),是否由此推出 all 磁力不做功?
所有跟贴:
加跟贴