- #1
armin11
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Why while playing volleyball after the ball passes the net it shows some abnormal motions?
Abnormal motions of volleyball ball
- Thread starter armin11
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- Ball Volleyball
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Discussion Overview
The discussion centers around the abnormal motions observed in a volleyball after it passes over the net during play. Participants explore the aerodynamic effects influencing the ball's trajectory, particularly in relation to spin and environmental conditions.
Discussion Character
- Exploratory
- Technical explanation
- Conceptual clarification
Main Points Raised
- One participant compares the volleyball's motion to a "knuckle ball" in baseball, suggesting that the ball's non-uniform shape and lack of spin contribute to its erratic movement.
- Another participant notes that the effect is particularly pronounced in outdoor beach volleyball, especially when serving or spiking into the wind, complicating ball handling.
- A request for a more scientific explanation is made, indicating a desire for a deeper understanding of the aerodynamic principles involved.
- There is a suggestion for the inquiring participant to rephrase their question using aerodynamic terminology and to consult external resources for further information.
Areas of Agreement / Disagreement
Participants express interest in the topic and share observations, but there is no consensus on a definitive explanation for the abnormal motions of the volleyball. The discussion remains open-ended with varying levels of technical detail and understanding.
Contextual Notes
The discussion lacks specific aerodynamic principles and mathematical formulations that could clarify the observed phenomena. There are also assumptions regarding the impact of environmental factors that are not fully explored.
Who May Find This Useful
Individuals interested in sports physics, aerodynamics, and those looking to understand the dynamics of ball motion in sports contexts may find this discussion relevant.
- #2
berkeman
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armin11 said:
It's similar to a "knuckle ball" in baseball. The volleyball has some features on it -- it's not perfectly round. So if it has little or no spin, the features will cause the ball to move a bit side-to-side. That's why on serves and spikes, you try to hit the ball so it has no spin.
You especially see this effect in outdoor beach volleyball, when serving or spiking into the wind. It makes it very difficult to handle the ball with your bump
- #3
armin11
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Thanks,but if you could say it in more scientific language it'll be very good,I'm an aerospace enginner and curious about this!
- #4
berkeman
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armin11 said:
armin11 said:
It's starting to sound like homework. Why don't you try phrasing it in aerodynamic language for us? You could look up knuckleball on wikipedia.org to get you started...
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