A fun video of some crazy rock climbing. I especially like the video for discussions of impulse and force applied over a time. After watching the video we talk about how the jumpers land, if they bend their knees, and why. After talking to the kids about
[tex]J = \Delta p = F\Delta t[/tex]
I then ask them to explain, in physics terms, how airbags work as they extend and transfer their knowledge to a new situation.
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