Hellow guys, Welcome to my website, and you are watching 사과만 떨어져도 운동 법칙이 뚝딱? | 뉴턴송 | 과학송. and this vIdeo is uploaded by LGScienceLand at 2014-05-20T00:25:16-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
