When throwing the football, the velociy from the body motion is transfered to the ball. After the ball is relased into the air, it keeps the same velocity, but there is a gravity force that is pushing the ball down.



Some people might believe that all the power comes from the arm, but in fact theres lots of energy's that adds to the final velocity of the ball. Some energys that are added are, the arm strength, rotation of the body, and the step when throwing the ball. All these forces contribute to the force of the football before being relased. The angle that the ball is thrown can determine how high the ball will go, and how far the ball will go. Football players don't do all the math in the head, their body just reacts to it.

  Start of the throwing motion

  middle of the throwing motion

  final release of the ball.



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