Yeah, the explanation in that video only explained why it didn't violate Newton's 2nd law.
There's a better explanation in this video: http://youtu.be/mAA613hqqZ0?t=2m20s
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Yeah, the explanation in that video only explained why it didn't violate Newton's 2nd law.
There's a better explanation in this video: http://youtu.be/mAA613hqqZ0?t=2m20s