Today, I became mindful of why a golf ball is is shaped the way it is (specifically, why it has the dimples on it). When the club strikes the ball, the ball takes off with backspin on it. The ball pushes down on the air, so air must push up on the ball for it to continue moving. The dimples help to carry the air along with the ball and make the air follow the curvature of the ball. Without its dimples, the ball would not travel as far as it does.
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