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功是怎么回事...做功？-Peter Bohacek
300,143 views |
Peter Bohacek |
TED-Ed
• November 2012
Read transcript
观看整个课程： http://ed.ted.com/lessons/how-does-work-work-peter-bohacek 功和能的概念可以帮助我们理解自然界中的很多物理规律。在这节课中，Peter Bohacek通过两个常见的物体-灯泡和钟表，解释和探索了每个概念的相互作用。 Peter Bohacek 授课，Luke Cahill制作动画。
science
education
universe
physics
work
TED-Ed
animation
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