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Created with Fabric.js 1.4.5 Definitions:speed- the rate at which an objectmovesvelocity-the speed of an objectand its directionacceleration- how quickly velocitychangesforce- a push or a pullfriction-the force that opposesthe motion between two surfacesthat touchgravity- a force of attraction, ora pull, between objectsNewton's 1st law- an object in motion or at rest will stay that way until acted onby an outside forceNewton's 2nd law- F = A x WNewton's 3rd law- every action has a reaction SOFTBALL Velocity relates to softball in many ways. One way it appliesis when a pitcher pitches theball it could be going 50mph then the batter could buntand the ball would slow down a lot and change to theopposite direction. At the pointof contact with the bat andthe ball is when accelerationchanges the most. As soonas you hit the ball it goesflying in the completeopposite direction. When you throw force, friction, and gravity all apply. You have toadjust the amount offorce to adjust how far youthrow the ball. Then the air causesfriction on the ball and can slowit down. When you release the ball,no matter how much force youuse, gravity still pulls the balldown. Newton's 1st law states thatan object in motion or at restwill stay that way until an outside force acts on it. A softball will stay at rest until picked up, thrown,or hit, and it will stay inmotion until caught. Newton's 2ndlaw says that force equals masstimes acceleration. Since the ball has a small mass then the person'sthrowing arm will accelerate fasterand there will be more force onthe ball. Then Newton's 3rd lawsays that every action has anopposite reaction of equal size.The action force is when you swingand hit the ball and the reactionforce is the ball hitting backand flying off the bat. Softball was invented as anindoor baseball game in 1887by a group of guys.
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