第三节单摆,第二章机械振动,自主预习探新知,NO.1,知识梳理,基础自测,伸缩,质量,质点,简谐运动,圆弧切线,摆长,合作探究提素养,NO.2,考点1,考点2,当堂达标夯基础,NO.3,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,点击右图进入,课,后,素,养,落,实,谢谢观看 THANK YOU!,