Any object released into the air is termed a projectile.

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Presentation transcript:

Any object released into the air is termed a projectile. Projectile Motion Any object released into the air is termed a projectile.

All projectiles have a flight path and flight time depending on how they are affected by the variables below. Gravity Air Resistance Angle of Release Speed of Release Height of Release Spin

Gravity Gravity acts on a body to give it mass. The greater the mass of an object the greater the influence of gravity upon it. What is the effect of gravity on a projectile? - It decreases the height a projectile can attain.

Gravity

Gravity

Air Resistance Air resistance acts on the horizontal component of a projectiles path.

Angle of Release The angle of release of a projectile determines the flight path. If the angle of release is high, the projectile has a longer flight time but decreased distance. If the angle of release is low, the projectile has less flight time but increased distance* *However if the angle is too low, distance is poor.

Angle of Release How is distance and height manipulated in golf for the best shot? - Angle of club head.

Speed of Release Velocity (speed of motion) of release will determine the size of the flight path. This is determined by the force summation gathered.

Height of Release The greater the height of release the greater the distance gained

Spin There are two main types of spin 1. Top spin- distance is decreased with topspin. 2. Back spin- distance is increased with backspin.

Back Spin A backspin shot creates a region of low pressure on top of the ball and a region of high pressure below. As a consequence, the ball floats suddenly thereby increasing the distance attained.

Topspin Q. So how does Topspin work? A. A topspin shot creates a region of high pressure on top of the ball and a region of low pressure below. As a consequence, the ball dips suddenly thereby decreasing the distance attained