Aside from my video, here are two clips from The Day the Universe Changed. You don't need to know the history, but it's too interesting to miss! For the 2nd Law, I mention Conservation of Angular Momentum. Here is a link to that video lesson: ANGULAR MOMENTUM.
Source: Burke, J. (Writer). (1985). Infinitely Reasonable: Science Revises the Heavens [Television series episode]. In The Day the Universe Changed. London: BBC.
Source: BURKE, J. (WRITER). (1985). INFINITELY REASONABLE: SCIENCE REVISES THE HEAVENS [TELEVISION SERIES EPISODE]. IN THE DAY THE UNIVERSE CHANGED. LONDON: BBC
Source: BURKE, J. (WRITER). (1985). INFINITELY REASONABLE: SCIENCE REVISES THE HEAVENS [TELEVISION SERIES EPISODE]. IN THE DAY THE UNIVERSE CHANGED. LONDON: BBC