Hellogoodmorning wrote:
請問一個應該算是物理...(恕刪)
為何直升機會後退?

coldman123 wrote:
應該是慣性定理...(恕刪)
Stallings wrote:
原地...(恕刪)
cowboytwn wrote:
請讀相對論。...(恕刪)
samsungdog wrote:
牛頓第一運動 (慣性...(恕刪)
Helen0000 wrote:
假如打開窗戶
把小...(恕刪)
dukkha wrote:
這是物理學的牛頓定律...(恕刪)
dukkha wrote:
向後退。...(恕刪)