The physics of human motion (re. a sword swing)

  • Thread starter Adam
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  • #1
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Hello all, another question.

Can anyone explain to me please the details of, for example, a person swining a sword? How much body mass is involved, from which point do I measure the arc of the swing, how much energy is involved, et cetera?

Thanks.
 

Answers and Replies

  • #2
Alexander
Assuming that you can throw ~10 lb sword (or other 10 lb mass) about 15-20 ft up you get K = P = mgh ~ 20-25 Joules, sword speed v=(2gh)1/2 ~ 30 ft/sec.

Swing point - your shoulder.
 
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