The Physics of o Volleyball
From six thirty one morning to three O’ clock the next morning was my longest volleyball day ever. Fourteen and a half hours of play with only 3 breaks for food, makes for an exhausting event. So what makes volleyball worth such a sacrifice? It is the endless possibilities and outcomes that can occur by playing this magnificent sport and challenging the basic laws of physics. In the sport of volleyball the same thing never happens twice. Things may seem similar but there are always slight differences. The differences are caused by trying to manipulate those ever so important laws of physics.
Volleyball is the constant confirmation of Newton’s first Law. Every object remains at rest or in motion in a strait line at a constant speed unless acted on by an unbalanced force(P.31). The unbalanced forces that the team members try to manipulate are what make volleyball so interesting. The goal in volleyball is to keep a ball in legally in motion for your team, while trying to force the opponent to fail at keeping the ball in motion. There a few basic possible ways of legally contacting the ball: serving, passing, setting, hitting, and blocking. Each is unique and yet similar. The contact between the player and ball forces a “collision” and different laws of physics explain the actions or reactions of these collisions. This is what makes volleyball so exciting.
One type of contact is a serve. To serve a player must be standing behind the end line and hit the ball over the net. The player tosses the ball into the air with one hand, and forces the ball over the net by hitting it with the other hand. A serve is required to start the game and is repeated after each play. So, after the ball...
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...ts collide into each other and make the total kinetic energy decrease where the objects move in separate directions.
In the game of volleyball the laws of physics are evident in most of these different types of collisions. Trying to manipulate objects to challenge these laws is what brings the spice and flavor into the game. Physics might be a hard subject but it can explain what makes this sport worthwhile.
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