Embedded Files
The Task
My group, Hanna, Dylan, Banna, and I were given the task of making a video explaining how physics is involved in a sport. The sport that we chose was soccer, and to be more specific we chose to explain the physics behind a free kick in soccer. In our video we explain the force of the kick, the distance the ball travels horizontally and vertically,
Process
On the first day of the project we decided that we were going to analyze the physics of a freekick in soccer. On the second day we drew up a storyboard and the script for the project that can be seen below. After that, on the third day we got a soccer ball and went out to the football field and grabbed a goal and started recording Dylan taking shots. On the fourth day we recorded some more shots. Then on the fifth through the seventh day we recorded ourselves analyzing the clips and Hanna edited the video. Our final product can be seen on the right.
Our Physics of Sports Video
IMG_1715.movScript
Title Sequence
Welcome to our physics of sports video. In this video we will be analyzing the physics of a freekick in soccer.
Pro clips
Audio: A freekick is a shot that is taken outside of the 18 yard box or penalty area it occurs when a player is fouled. The average conversion rate of a professional players’ freekick is around 9.2%.
Physics is in everything you do, especially in sports. Using things like the time a ball was in the air and the vertical and horizontal distance, you can find things like the horizontal, vertical, and total velocity of the ball, the impact it has when it hits something, and the force that the person kicked the ball with.
Dimensions of soccer goal video
*play video of free kick thing*
These are the steps of a free kick
Place the ball
3 large steps back and 2 at an angle to the side
Run up to the ball
Contact with the inside of your foot
Follow through
1 - When you take those steps back you are able to gain momentum when hitting the ball. This allows for a better kick
2 - Running up to the ball allows for more force when you contact the ball.
3 - you have to make contact with the ball with the inside of your foot to generate curl and power.
4 - follow through allows for your foot to contact the ball when it has the most force. This helps the ball go further, have more momentum, and gives you an overall better kick.
F=254N = 57 pounds
Time of rise = .77 sec
Time of fall = .43 sec
Time total = 1.2 sec in air
Distance vertical = 2.2 meters
Distance horizontal = 18.3 meters
Velocity horizontal = 15.23 m/s or 34 mph
Velocity vertical = 7.55 m/s or 17 mph
Velocity total = 17 m/s or 38 mph
Mass of ball = .531 kg or 1.17 pounds
The time of the rise on the ball was .77 seconds. We got the time by dividing the 19 frames out of the 30 frames in a second.
The horizontal velocity of the kick was 15.32 meters per second. We found this by dividing the distance by the time the ball was in the air. The vertical velocity of the kick was 4.2 meters per we found this by multiplying the time of fall by the acceleration due to gravity.
Calculations
Reflection
One thing that I did well on in this project was collaboration. I did well with collaboration because I worked well with my group and we all go the project done on time. Another thing that I did well on was communication. I did well with communication because I was able to talk to my group and my group was able to talk to me and tell me what we needed done so I could do it. One thing that I could work on in the next project is critical thinking. I could work on this because I need to think a little bit deeper about what is happening in the project. One other thing that I could work on is character. I could work on creativity because I did not come up with many ideas during the project and my teammates came up with a lot of them.
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