Water Skiing
Entry posted by ncharles
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Similar to tubing, another aquatic sport that i love to participate in is waterskiing. Something about gliding across the water gives me a sense of freedom that nothing else really does. Water skiing is a great example of physics too. Firstly are the turns. When a water skier decides to turn, they must angle their skis in such a way that makes them go where they want. Two main factors effect the turn: the angle and the force. The more of and angle the skier tilts the skis at the bigger and sharper the turn will be. However, skiers usually take long circular turns which require a much smaller angle. The "force" exerted by the person into the turn makes the turn faster or slower. When the skier finishes their turn, they will next jump across the wake...a perfect example of projectile motion. The skier comes to the wake with a starting velocity that they must perfect: if too fast, they will over shoot the other side of the wake and if too slow they wont make it at all. Also, the make form a "ramp" of water at an angle to the surface of the water which the skier must also analyze to see how fast to go.
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