Football physics: The "impossible" free kick - Erez Garty
View full lesson: http://ed.ted.com/lessons/football-physics-the-impossible-free-kick-erez-garty In 1997, Brazilian football player Roberto Carlos set up for a 35 meter free kick with no direct...
========== In 1997,
in a game between France and Brazil, a young Brazilian player
named Roberto Carlos set up for a 35 meter free kick. With no direct line to the goal, Carlos decided to attempt
the seemingly impossible. His kick sent the ball flying
wide of the players, but just before going out of bounds,
it hooked to the left and soared into the goal. According to Newton's first law of motion, an object will move
in the same direction and velocity until a force is applied on it. When Carlos kicked the ball,
he gave it direction and velocity, but what force made the ball swerve and score one of the most magnificent
goals in the history of the sport? The trick was in the spin. Carlos placed his kick
at the lower right corner of the ball, sending it ...