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Physics of throwing a discus



Their is a lot of physics in throwing a discus. A throwers body must move in a certain way to provide the maximum power to throw the disc. Throwers must spin to create centripetal acceleration and land in a way to wind up their hips. The hips act like a spring and the thrower pivots his/hip as fast as possible to launch the disc. Not only is power a factor but releasing a disc correctly is extremely important. The disc should be released at a 45 degree angle from the thrower. The disc itself must not be angled at 45 degrees so the thrower must raise his arm at a 45 degree angle to maximize distance and have the discus travel in the air at a 45 degree parabolic path. The thrower must also release the disc as flat as possible so wind provides very little backward force. A disc thrown perpendicular to the ground will fall very quickly because the force of air on the disc will be much greater over an area of an up and down disc as opposed to a sideways disc. With all of the proper technique a discus can be thrown over 200 feet. The world record is 74.08 meters (243 feet). This requires almost perfect form, and training but the art of throwing a disc is based completely on physics.


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