打开App
360P
第30讲｜超重与失重
超重：视重大于实重，加速度向上 失重：视重小于实重，加速度向下 完全失重：视重等于零，加速度等于重力加速度
【高中物理】基础知识33/76
App12:30
App05:59
App03:56
App08:39
App07:07
App09:07
App08:39
App10:24
App07:27
App08:01
App13:02
App08:12
App08:58
App09:48
App09:02
App06:36
App04:39
App03:46
App03:04
App06:34
App10:13
App08:31
App09:47
App05:20
App04:53
App10:52
App11:33
App10:45
App10:42
App06:45
App07:57打开App观看
