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Braden and Mack


Annette Holder

on 28 April 2010

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Transcript of Braden and Mack

Newtons Laws Second law First law Third law The game of Tennis is based upon Newton's Laws. These laws serve as a basis for our understanding of the topspin shot.
Newton's 1st Law states that a body in motion tends to stay in motion, and a body at rest tends to stay at rest. The ball would not be able to travel across the court without this law.
Newton's 2nd Law states that force is equal to mass times acceleration. We used this definition of force in the Kinematics section.
Newton's 3rd Law states that every action has an equal but opposite reaction. The tennis ball would never bounce off the strings of the racket and travel over the net if this law did not exist.

Without these laws, there would be no physical way to play the game of tennis. Tennis and Newton's Laws First Law In this picture the ball sits still on the ground in an example of the first law. Second Law In this picture the ball is being hit causing a reactionfor it to go the other way. Third Law In this picture the ball is bouncing back after hitting the wall. The End Momentum of the Ball in Tennis The conservation of momentum law states that the momentum before a collision occurs, is equal to the momentum after that particular collision. This is definitely the case in tennis. The momentum of the tennis ball and the racket before they collide together is equal to the momentum of the ball and the racket after. The Equation of a Tennis Balls Momentum (Mass of ball*velocity of ball)+(mass of racket*velocity of racket)=(mass of ball*velocity of ball after collision)+(mass of racket*velocity of racket after collision)
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