高中物理第三章磁场第5节洛伦兹力的应用版本省公开课一等奖新名师优质课获奖PPT课件.pptx

结 束,首 页,末 页,下一页,上一页,结 束,首 页,末 页,下一页,上一页,1/69,2/69,3/69,4/69,5/69,6/69,7/69,8/69,9/69,10/69,11/69,圆或圆一部分运动,抛物线,运动轨迹,匀速圆周运动或其一部分,类平抛运动,运动类型,洛伦兹力,F,q,v,B,大小不变，方向随,v,方向改变而改变,电场力,F,Eq,大小、方向都不变,受力情况,垂直磁感线进入匀强磁场,(不计重力),垂直电场线进入匀强电场,(不计重力),偏转条件,匀强磁场中偏转,匀强电场中偏转,12/69,动能不变,动能增大,动能改变,偏转,y,和偏转角,要结合圆几何关系经过对圆周运动讨论求解,偏移,y,和偏转角,要经过类平抛运动规律求解,求解方,法处理,轨迹图,匀强磁场中偏转,匀强电场中偏转,13/69,14/69,15/69,16/69,17/69,18/69,19/69,20/69,21/69,22/69,23/69,24/69,25/69,26/69,27/69,28/69,29/69,30/69,31/69,32/69,33/69,34/69,35/69,36/69,37/69,38/69,39/69,40/69,41/69,42/69,43/69,44/69,45/69,46/69,47/69,48/69,49/69,50/69,51/69,52/69,53/69,54/69,55/69,56/69,57/69,58/69,59/69,60/69,61/69,62/69,63/69,64/69,65/69,66/69,67/69,68/69,69/69,