Physics & Physical Science Demos, Labs, & Projects for High School Teachers

Momentum and Martial Arts

Posted on: January 7, 2009


There is no easy way to demonstrate this in writing, so I will be brief. (Maybe I’ll video this at the gym tomorrow night and post it here.)

A key to martial arts is using an attackers momentum against himself. We don’t want to use direct force against an attack when a small redirecting force creates so much more havoc.

The move I have in mind is when an attacker is swinging a sucker punch or roundhouse punch. By blocking and pulling on both the punching arm and neck of the attacker, you can send them down to the floor. ( I don’t recommend this to those without some serious martial arts training.)

The physics here is all about impulse.  My effort is minimal, I use a very small force to add to their momentum and throw the attacker off balance.

Yeah, like I said, I need to make a video of this one.

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1 Response to "Momentum and Martial Arts"

trust me, i understood. you dont have to know much about martial arts to understand. you explain things pretty well. you might want to stop second guessing yourself though.

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What’s New in 2013/2014?

Every year brings a change, this one is no exception.

I will be picking up the sophomore honors Algebra II class to keep them separate from the juniors. This should help accelerate them and put them on a stronger track towards Calculus. Looks like there will be only one section each of Physics and Calculus, but still two of Robotics & Engineering.

Hot topics this year are going to be the Common-Core Standards, Standards-Based Grading (SBG), improving AP Calculus scores, and somehow adding Python, maybe as a club.

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