Friction Momentum And Aerodynamics In Soccer

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Introduction Soccer is the world’s most popular game. Soccer is played in grass fields all around the world, each teams have 11 players. The objective of soccer is to score more goals than the other team by kicking the ball around the field and into the goal. There is a lot of physics behind soccer. For example, kicking a ball relates to friction, momentum and aerodynamics. Potential Energy Potential energy is gravity pulling things down, on earth something gets pulled down approximately 9.8 metres per second. The formula for potential energy is PE=mgh with g being the acceleration of something falling due to gravity. In soccer, potential energy relates to when a player jumps and gravity pulls them back down and when a ball is kicked in …show more content…

When a ball is kicked it into the air there is a drag force opposite to the ball direction, a “magnus” lift force and the spin direction of the ball. Velocity/Speed Speed is the rate of change of distance and not in a straight-line. So for example, when a soccer player runs around in a curve like way to get around opponents it relates to speed. Velocity is the rate of change of displacement and relates to running in a straight line. For example, when a player receives a through ball he runs in a straight line after the ball. Acceleration When playing soccer players need to accelerate a lot in order to get to the ball first when it comes near them. The increase in speed is very important as it will make or break whether they get to the ball first or not which can influence weather their team scores a goal or concedes a goal. Newton’s Laws of Motion “For every action, there is an equal and opposite reaction”2 this is Newton’s last law of motion. In soccer, this means that if you kick the ball, it would resist your force just as hard. This is done by when you kick you compress the air in the ball. The air then comes out causing the ball to go off the foot and into the flight path of the …show more content…

(a) Stands for acceleration of the ball which is determined by the force applied (F) times by the mass of the object that is being moved (m). This pretty much means that if the ball has a lot of mass, it will require more force to kick the ball hard. If the ball has little mass, it will require little force to kick. This means that if you want to kick the ball hard you need to apply quite a bit of force and if you don’t want to kick it hard you must then apply less

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