Does a curveball really curve? or is it just an illusion

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A curveball in baseball does indeed curve due to the physics of spinning. The ball's rotation creates a difference in air pressure on either side, resulting in lateral movement. This phenomenon is explained by the Magnus effect, which describes how spinning objects behave in a fluid. The perception of the curve is not an illusion; it is a real physical effect that players and spectators observe. Understanding this can enhance appreciation for the skill involved in pitching and hitting curveballs.
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I was just curious because I do actually watch and play baseball, does a curveball actually curve or is it just an illusion of our depth perception.
 
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It really does curve!

Because the ball is spinning, the pressure on one side is greater than the other, so it is pushed to the side. For the nitty gritty details, google "Magnus effect".
 
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