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The physics behind Ronaldo's knuckleball free kick explained
The science that makes Ronaldo's free kick unpredictable for goalkeepers Have you ever tried to copy that technique? How did it go?
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The science that makes Ronaldo's free kick unpredictable for goalkeepers Have you ever tried to copy that technique? How did it go?
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No spin — and goalkeepers hate it. A ball with zero spin wobbles — air pressure shifts randomly around it. Without spin, the swerve is random — even the ball doesn't know where it's going. Follow for more football science like this.