10-什么是功.mp4	2022-08-28 20:29:07	79.37MB
	11-不做功的情况.mp4	2022-08-28 20:29:07	27.67MB
	13-看得见的1J.mp4	2022-08-28 20:29:07	83.84MB
	14-功率.mp4	2022-08-28 20:29:07	96.33MB
	16-看得见的1W.mp4	2022-08-28 20:29:07	82.95MB
	功的计算.mp4	2022-08-28 20:29:07	80.26MB
	动力和弹性势能.mp4	2022-08-28 20:29:07	71.23MB
	动能和重力势能.flv	2022-08-28 20:29:07	81.87MB
	动能（上）.flv	2022-08-28 20:29:07	94.59MB
	动能（下）.mp4	2022-08-28 20:29:07	101.23MB
	弹性势能.flv	2022-08-28 20:29:07	80.15MB
	机械能.mp4	2022-08-28 20:29:07	66.60MB
	机械能守恒.mp4	2022-08-28 20:29:07	48.81MB
	重力势能（上）.flv	2022-08-28 20:29:07	81.08MB
	重力势能（下）.mp4	2022-08-28 20:29:07	73.61MB