Sunday, January 12, 2014
Angular Momentum
This video provides a great explanation and demonstration of angular momentum. Angular momentum depends on the rotational inertia and the rotational velocity. Angular momentum is how fast an object rotates. In this video he is up and space and he demonstrates angular momentum. He begins to spin and then pulls his arms and legs in close to his body which then causes him to spin even faster. This happens because when you pull your arms in the rotational inertia decreases thus causing to rotational velocity to increase.
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This video explained the concept of angular momentum really well. I think it was so cool that you picked a video in outer space- I didn't even think of that! It set a really great scene for demonstrating his change in momentum. The only constructive criticism that I have is for you to maybe explain the concept a bit more in your description but other than that I thought this was a great post! Watching and reading definitely clarified and recapped the concept for me. Yay phsyics, yay Lauren!
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