Name: projectile motion in a soccer kick
Uploaded: 2024-03-07T13:22:15.000Z
Duration: 1 min 23 s
Channel: JoVE

Projectile Motion refers to the path of an object launched into the air, influenced only by the force of gravity. The angle at which the projectile is launched is called the launch angle.
The motion of the projectile has two independent components - horizontal and vertical motion.
Once the projectile is in air, no other forces can accelerate it in the horizontal direction.
Applying the kinematics equations in the horizontal direction, the horizontal velocity of the projectile remains constant throughout its flight.
The entire motion along the horizontal direction can be described by one equation only.
Conversely, the vertical motion is only influenced by the gravitational force. Using the kinematic equations, the motion of the object in the vertical direction can be studied.
Calculating the horizontal and vertical components of the velocity, the resultant velocity of the object can be found. The resultant velocity is always tangential to the path of the projectile.
The maximum range of the projectile depends on the initial speed, the launch angle, and the acceleration due to gravity.

motion of a projectile

Motion of a Projectile

Projectile motion becomes evident when a player kicks the ball into the air. The launch angle, or the angle at which the ball is kicked, plays a crucial role in determining the trajectory of the projectile. As the ball soars through the air, influenced solely by gravity, its motion can be dissected into two independent velocity components: the horizontal and the vertical.
Horizontal motion, governed by the initial kick, maintains a constant velocity throughout the flight of the soccer ball. Kinematics equations applied in the horizontal direction simplify the description of its entire motion with a single equation. On the other hand, the analysis of the vertical motion of the soccer ball, subjected solely to the force of gravity, can be done using kinematic equations specific to the vertical direction.
Calculating the horizontal and vertical components of the velocity of the soccer ball enables the determination of its resultant velocity, always tangent to the path of the projectile. The maximum range the ball can achieve depends on factors such as the initial speed, launch angle, and the gravitational acceleration acting upon it. In the dynamic interplay of forces, projectile motion in soccer exemplifies the intricate physics governing the flight of the ball.

Projectile Motion refers to the path of an object launched into the air, influenced only by the force of gravity. The angle at which the projectile is ...

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JoVE Core

Mechanical Engineering

Unit 1

Kinematics of a Particle

KEY TERMS AND CONCEPTS

projectile motion in a soccer kick

Projectile motion in a soccer kick shows how a ball travels through the air after it is launched. The launch angle, which is the angle of the kick, plays a major role in shaping the path of the ball. Once the ball is in the air, gravity is the only force acting on it.

The ball’s motion can be split into two independent velocity components: horizontal and vertical. The horizontal motion comes from the initial kick and stays at a constant velocity during the flight. Kinematics equations in the horizontal direction can describe that part of the motion with one equation.

The vertical motion is affected only by gravity. Kinematics equations for the vertical direction are used to analyze that part of the path. When the horizontal and vertical components of velocity are calculated, the result is the ball’s resultant velocity, which is always tangent to the projectile’s path.

The maximum range of the ball depends on the initial speed, launch angle, and the acceleration due to gravity. In soccer, this makes projectile motion a clear example of the physics that controls how a kicked ball moves through the air.

Projectile Motion in a Soccer Kick

curvilinear motion: rectangular components

curvilinear-motion-rectangular-components

Curvilinear Motion: Position, Velocity, Acceleration

Curvilinear motion describes an object moving along a curved path. A car on a winding road is a clear example. The object’s position is shown with a position vector in a fixed frame of reference. The unit vector for that position comes from the position vector divided by its magnitude. As the object moves, its position changes with time. The velocity vector is found by taking the time derivative of the position vector. In a fixed frame of reference, the directions of the unit vectors do not...

Projectile motion in a soccer kick shows how a ball travels through the air after it is launched. The launch angle, which is the angle of the kick, plays a major role in shaping the path of the ball. Once the ball is in the air, gravity is the only force acting on it. The ball’s motion can be split into two independent velocity components: horizontal and vertical. The horizontal motion comes from the initial kick and stays at a constant velocity during the flight. Kinematics equations in the...

curvilinear motion: normal and tangential components

curvilinear-motion-normal-and-tangential-components

Curved Path Motion in Tangential and Normal Axes

Curved path motion is described with tangential and normal axes. These car-centered coordinates move with the vehicle as it travels. The t-axis points in the direction of increasing position along the curved path. The n-axis is perpendicular to the t-axis and points toward the center of curvature. The path can be split into tiny arc segments. Each segment matches part of a circle with a radius of curvature and a center of curvature. The positive n-direction uses the unit vector u n . This...

curvilinear motion: polar coordinates

Radial and Tangential Motion in Polar Form

Polar coordinates describe curvilinear motion using a radial distance and an angle. The radial coordinate, r, extends from a fixed origin to the particle. The angular coordinate, θ, is measured in radians. It gives the counterclockwise angle between a fixed reference line and the radial line to the particle. The particle’s position is written with a unit vector in the radial direction. Taking the time derivative of that position gives the velocity. That velocity has two parts. One is radial,...

key terms and concepts

Learn how a soccer kick demonstrates projectile motion, with launch angle, horizontal and vertical velocity components, and range explained for high school science.

Projectile Motion in a Soccer Kick | JoVE K12

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Projectile Motion in a Soccer Kick

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