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说三道四（67）说一说"时间"和"方法 | www.wenxuecity.com

他深情回忆物理老特级许松泉老师，详细地讲述了许老师是怎么把学物理的方法教给了学生，让他终生受益。
乘车人在急转弯时被甩出去是因为离心力的作用？许老师说：“错！”那时因为“没有向心力”，来使人改变运动方向，惯性使人仍保持原有的运动状态所致。许老师说：“这就是科学与无知的区别！”
当同学们面对电磁感应难题“左右”犹豫、难以决策时，许老师“发右！”一声吼，让你豁然明白：导体切割磁力线产生电动势，即“发”电是用“右”手规则！通电导体在磁场中运动，即“电动”当然就用左手判断啰。当年高考那道机翼切割地磁场产生感应电动势的附加题，许老师“发右”二字早给我们埋下了捞分的伏笔了！
许老师给我们总结运动学和牛顿三定律应用时，点出的关键字组合“坐标状态施力者受力者惯� ....

United States , Su Wu , Liu Wang Wu , Zheng Itabashi , Shaw Yun , Xu Haifeng , Guo Tongji University Graduate School , Us School , Wangd High School , Central Normala High School , Dean Tongji University , Wuhana High School , High School , High School Caifen , United States Florida State University , Tongji University Professor Ph , Tsinghua University , Central Normal Chinese Department , Imo School , Central Normal , Dongguan Times , Forest Spring , Engineering Master , Tongji University Professor Phd , State Department , River City ,

李培永_文学城博客

他深情回忆物理老特级许松泉老师，详细地讲述了许老师是怎么把学物理的方法教给了学生，让他终生受益。
乘车人在急转弯时被甩出去是因为离心力的作用？许老师说：“错！”那时因为“没有向心力”，来使人改变运动方向，惯性使人仍保持原有的运动状态所致。许老师说：“这就是科学与无知的区别！”
当同学们面对电磁感应难题“左右”犹豫、难以决策时，许老师“发右！”一声吼，让你豁然明白：导体切割磁力线产生电动势，即“发”电是用“右”手规则！通电导体在磁场中运动，即“电动”当然就用左手判断啰。当年高考那道机翼切割地磁场产生感应电动势的附加题，许老师“发右”二字早给我们埋下了捞分的伏笔了！
许老师给我们总结运动学和牛顿三定律应用时，点出的关键字组合“坐标状态施力者受力者惯� ....

United States , Su Wu , Liu Wang Wu , Zheng Itabashi , Shaw Yun , Xu Haifeng , Guo Tongji University Graduate School , Us School , Wangd High School , Central Normala High School , Dean Tongji University , Wuhana High School , High School , High School Caifen , United States Florida State University , Tongji University Professor Ph , Tsinghua University , Central Normal Chinese Department , Imo School , Central Normal , Dongguan Times , Forest Spring , Engineering Master , Tongji University Professor Phd , State Department , River City ,