How the 2019 World Cup soccer ball was expertly designed for aerodynamic success:
-- Cristiane Rozeira's left foot struck with the ball as soon as the whistle blew. The ball soared over the barrier, curved gracefully to the right, hit the post and crossed the goal line. It was Rozeira's third consecutive score of the game, and with it she secured the victory for Brazil over Jamaica in the FIFA Women's World Cup 2019, which is taking place in France.
Players want to be able to predict the ball's behavior in bounce, roll, flight, speed off the foot and grip, wrote sport designer Andy Harland, director of the Loughborough University's Sports Technology Institute in the UK, in an email to Inside Science."Players are incredibly skillful and when they kick the ball differently, they expect it to behave accordingly."
"Once the ball has been kicked and is traveling through the air, there are really very few forces acting on the ball," said mechanical engineer Anette Hosoi of the Massachusetts Institute of Technology."There's gravity, there's drag and there's lift."
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