Topspin
Sign in to savethumb| In ball sports, topspin or overspin is a property of a ball that rotates forwards as it is moving. Topspin on a ball propelled through the air imparts a downward force that causes the ball to drop, due to its interaction with the air (Magnus effect). Topspin is the opposite of backspin.
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Il topspin è un tipo di colpo effettuato nel tennis e in altri sport che utilizzano palle come il tennistavolo, il golf e il baseball.
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