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# Physics in Taekwondo

A little prezi on the physics of taekwondo
by

## Cameron Scherdorf

on 18 December 2014

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#### Transcript of Physics in Taekwondo

The Physics of Taekwondo
By Cameron Scherdorf
Introduction
Most of you are probably familiar with Taekwondo. If you are not, Taekwondo is a form of Korean martial art. But many people do not know the physics behind Taekwondo. In this Prezi I will show you how Newton's Three Laws of Gravity are demonstrated in Taekwondo.
One Example...
Newton's First Law of Motion states that an object at rest will stay at rest until acted on by another force. An object in motion will stay in motion unless acted on by another force. This can be applied to Taekwondo kicking. When your leg isn't moving, then your leg will stay at rest until your muscles move it. And when your leg is moving, then it will continue to move until friction between your leg and the target stops it.
Another Example...
Another example of physics in Taekwondo is kicking. Depending on how heavy your leg is, you need more force to lift it. This is an example of Newton's Second Law of Motion, which states the more mass an object has, the more force needed to move it. The more mass your leg has, the more force is needed to move it. I would need more force to move my leg than a 6 year old would need.
One Last Example...
My last example is sparring. In sparring, you get to kick people. Sounds fun, right? Well there is actually physics behind it. Like, why does your opponent go flying back when you kick them? The answer is Newton's Third Law of Motion, which states for each action there is a opposite yet equal reaction. When you kick your opponent, you transmit power from you leg to the opponent, which causes them to go flying back.
Just kidding. One more example...
The equation for force is Force =Mass * Acceleration. I can relate this to punching. There are many types of Taekwondo punches, including straight punch, twist punch, snap punch, and back-fist punch. The effectiveness of all these punches can be found using the equation F=MA. The force of your punch is determined by the mass of your fist and how fast your fist is moving.
Taekwondo side kick
Taekwondo flying side kick
Taekwondo sparring
Taekwondo punch
Big Idea
My big idea is that "Motion influences Taekwondo in many ways." I have supported this big idea with examples in my prezi. For instance, push kick would have no effect without Newton's Third Law of Motion. The purpose of push kick is to push the opponent back, and you do this by transmitting force from the foot to the opponent. This would not be possible if Newton's Third Law of Motion did not exist.
Conclusion
In conclusion, I have shown 4 examples of how physics affects Taekwondo. I have also made a big idea and have proven it with evidence. Newton's Three Laws of Motion affect Taekwondo kicking, sparring, and punching, as shown in my prezi.
Thanks for watching!
Biblography
Bansal, Sonia. "Phyiscs of Tae Kwon Do - Sonia Bansal." AP-Physics-B-Project -. N.p., n.d. Web. 17 Dec. 2014. <https://ap-physics-b-project.wikispaces.com/Phyiscs+of+Tae+Kwon+Do+-+Sonia+Bansal>.
Website

Neeley, Angie. "The Physics of Taekwondo." Prezi.com. N.p., 30 May 2014. Web. 17 Dec. 2014. <https://prezi.com/i2sns-y4xabi/the-physics-of-taekwondo/>.

"Physics of Taekwondo- Neha and Rachana." PowToon. N.p., 20 Oct. 2014. Web. 17 Dec. 2014. <http://www.powtoon.com/show/fiWBgZXgWuP/physics-of-taekwondo-neha-and-rachana/>.
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