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Newton's Laws of Motion Project

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Eunice Choe

on 25 October 2012

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Transcript of Newton's Laws of Motion Project

Newton's Laws of Motion By: Eunice Choe Newton's First Law of Motion If an object is at rest, it will remain at rest unless an unbalanced force acts upon it. If an object is moving at a constant speed in a straight line, it will continue to move at a constant speed in a straight line unless there is an unbalanced force. If the object does not have an unbalanced force affecting it, then its velocity will remain constant. Newton's Second Law of Motion The acceleration is directly proportional to the force. If you push twice as hard, the object accelerates twice as much The acceleration is inversely proportional to the mass If it gets twice the mass, it accelerates half as much The object will change velocity if it is pushed or pulled upon Equation F= Mass x Acceleration Newton's Third Law of Motion For every force there is an action and reaction force. (If you push on it, it pushes on you) When one object exerts a force on another, the second object exerts on the first with a force of equal and opposite. Law of Inertia Summary Bowling Bowling is a sport when a player rolls a bowling ball across a lane to knock down as many pins as possible. The score depends on how many pins got knocked down; the more pins knocked down, the higher the score (which is what the player is aiming for). The lane is about 41 inches wide and it is about 60 feet long. There are different forms of the game which require a different amount of people on one team. For example, in a league, the team usually has about 2-5 people. The members of the team, each have the same job, which is to receive the highest scores possible. Bowling balls are used to knock the pins down, and the usually range from six to 16 pounds depending on what the player prefers. In bowling, there are 10 frames where in each, the players have two chances to knock down all the pins. When all 10 pins are knocked down on the first try, that is called a strike. When all the pins are knocked down after the second try, it is called a spare. A foul can be committed if one was to step over the line at the end of the lane. When a player rolls a bowling ball down the lane, the ball eventually will slow down and stop because of the unbalanced force that acts upon it. The unbalanced force is when the ball hits the pins because that is what causes it to stop. The surface of the lane is also another unbalanced force because it serves as friction. Although there is a layer of oil to reduce friction, there are still ridges that slow the ball down. The bowling pins show inertia because the pins stay at rest unless there is an unbalanced force, which is the bowling ball hitting the pins. http://us.123rf.com/400wm/400/400/kitkana/kitkana1201/kitkana120100030/12166189-a-red-bowling-ball-rolling-down-a-bowling-alley-ready-to-crash-into-skittles-on-a-bowling-alley.jpg friction The second law of motion is shown in bowling because of the acceleration and the mass. If one was to compare the rolling of a bowling ball and a tennis ball, the mass of the bowling ball is larger, so therefore, it will accelerate less than the tennis ball. This is because the acceleration is inversely proportional to the mass. Also, when bowling, one can roll the ball with different forces. When the ball has a larger force, the bowling ball will accelerate faster and potentially knock down more pins. The forces and acceleration is something to consider when someone is choosing out the weight of their ball. The third law of motion is shown in bowling because as the ball is rolling, there is an action and reaction force. Also, these kinds of forces are present when the ball is still as well as the pins being still. The action force is the ball rolling, and the reaction force is the air going against it. When the balls and pins are still, they experience an action and reaction force because as it is staying still, on the surface, it is applying a force to the surface and at the same time, the surface is applying an opposite force on the object. Therefore, the two equal forces pushing on each other show a balanced force. Gravity is shown because that is the force that is pulling on the pins and the ball. unbalanced force, ball hitting the pins action force reaction force larger mass smaller mass First Law in Bowling Second Law in Bowling Third Law in Bowling 2nd Technology: PowerPoint object at rest Video http://www.youtube.com/user/cyberspaceteacher
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