我在参考书上看到一段话:
洛伦兹力的方向既垂直于磁场,又垂直于电荷运动的速度,根据做功的条件可以推断,洛伦兹力对运动电荷不做功
我没看懂,
人气:198 ℃ 时间:2019-11-19 02:29:40
解答
洛伦兹力的方向既垂直于磁场,又垂直于电荷运动的速度,
w=fxcosa a=90^0 w=0
所以,洛伦兹力对运动电荷不做功
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