Topspin

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 (see Magnus effect). Topspin is the opposite of backspin.

For other uses, see Top Spin.
"Topspinning" redirects here. For the traditional activity, see Top-spinning.
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