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MMA

marisam96

Entry posted by marisam96

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Well, it seems as though my brother is the common denominator in a few of my blog posts! Much to my dismay, my brother has recently decided to join a MMA (mixed martial arts) class with a few of his friends. But I suppose that this could potentially be a positive thing seeing as I am getting a blog post out of it.

Say my brother weighs 65 kg and is punching someone with a velocity of 8.3 meters/second in 2 seconds. Using the infamous equation F=ma=m(v/t), we can calculate the hypothetical force that my brother punches with. So, let's plug in.

Our givens are ...

m=65 kg

v=8.3 m/s

t=2 s

F=?

F=(65kg)((8.3m/s)/2s)=269.75N

Not only does my brother punch with a force of 269.75N, but thanks to Newton's 3rd law, we know that the person he is punching is giving him 269.75 N right back.

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