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Physics and Science in Soccer. Changsik Lee. Free Kick. If a player fouled to another player, the referee gives the free kick There is a great possibility to score a goal by free kick . Various kicks. Leaning your body toward the ball brings more speed and power

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Presentation Transcript
free kick
Free Kick
  • If a player fouled to another player, the referee gives the free kick
  • There is a great possibility to score a goal by free kick
various kicks
Various kicks
  • Leaning your body toward the ball brings more speed and power
  • Leaning back your body from the ball brings more distance that you can kick
bending the ball
Bending the ball
  • Incurve : To curve the ball from right to left use the inside of your foot, striking the bottom half of the right side of the ball.
  • Outcurve : Use the outside of your foot, striking the bottom half of the left side of the ball.
does kicking the ball related to science
Does kicking the ball related to Science?
  • Kicking the ball to make it spin around an axis that is close to perpendicular to the ground. This produces an imbalance in the lateral forces on the ball. This called Magnus Effect.
magnus effect
Magnus Effect
  • When the ball travels through a fluid (like air), the fluid is pushed out of the way like a when a boat travels through water. The fluid pushes on the object moving through it. If the object spins while in motion the fluid moves around the object in an asymmetric pattern.
force on curving ball
Force on curving ball
  • The forces on a spinning ball that is flying through the air are generally divided into two types: a lift force and a drag force. The lift force is the upwards or sidewards force that is responsible for the Magnus effect. The drag force acts in the opposite direction to the path of the ball.
physics and soccer
Physics and Soccer
  • Newton’s Third Law : If you hit the ball hard, then the ball leaves the ground as much as you hit.
  • Friction on the ball : Playing on each different ground makes huge difference. Firm ground, like a turf, has less friction then on the soft ground, like a normal grass field. So on the turf, we use infield cleats to get more friction. The speed of the ball coming is even faster on the turf.
bibliography
Bibliography
  • http://en.wikipedia.org/wiki/Newton's_laws_of_motion
  • http://www.footy4kids.co.uk/soccer-physics.htm
  • http://www.soccerballworld.com/Physics.htm
  • http://www.madsci.org/posts/archives/nov98/912136446.Ph.r.html
pod cast
Pod Cast
  • http://fc.cushing.org/~clee/FOV2-0001F527/
  • itpc://fc.cushing.org/~clee/FOV2-0001F527/?Plugin=RSS&Leaves