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Newton's Laws Project

Physical Science Project

Amy A

on 3 March 2013

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Transcript of Newton's Laws Project

The video above shows Newton's First Law of Motion with three balls staying at rest. Inertia, the resist in any change motion, helps the balls in this video. In this instance, the balls are resting while the flat piece is knocked out from underneath them. Since the balls do not have an unbalanced force acting on them, they stay still and drop. Newton's Law explains how this process happens. The picture above shows Newton's First Law of Motion with unbalanced forces. The rocket is the object at rest. Newton's Law states it will remain at rest until an unbalanced force acts on it. The rockets thrust makes the forces unbalanced with gravity for the rocket to move upward. Also, the rocket will remain in motion at a constant velocity upward until a force disturbs it. Acceleration is produced when a force acts on a mass. The greater the mass the greater the amount of force needed to accelerate the object. Force= Mass x Acceleration Newton's Second Law, in this picture has the mass of the car, the force of the man, and the acceleration of the car. For example, the man is pushing with 1,000 N of force, and the car's mass is 1,000 kg. Newton's Second law, can be used to calculate the car's acceleration with the formula a=f/m. So, in this situation the car would be accelerating 1m/s/s. The 1,000 newtons of force exerted by the man would accelerate the 1,000 kg car 1m/s/s. The picture to the left illustrates Newton's Third Law of Motion, with two equal and opposite forces. The man is pushing 100 N towards the wall, and this indicates the action. This action is balanced with the reaction. The reaction would be the wall pushing 100 N towards the man. So next time you are pushing on a wall, remember the wall is pushing back! Newton's Newton's First Law (Law of Inertia) Newton's Second Law Newton's Third Law Amy Arceneaux
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March 4,2013 An object at rest will remain at rest and an object in motion will remain in motion at constant velocity unless acted upon by an unbalanced force. For every action, there is an equal and opposite reaction. Laws of Motion Project This diagram to the right shows Newton's Third Law of Motion. Newton's Law states for every action there is an equal but opposite reaction. If you have ever blown up a ballon, you know that when you let go of it, the air will come rushing out the ballon while it goes flying. This is because there are equal and opposite reactions occuring. The air coming out of the ballon is the action, while the air in the ballon is forcing it in the opposite direction, this is the reaction. In this picture, the baseball player is exerting a force to the baseball. The acceleration of the ball depends on the force exerted, and the mass of the baseball. If the ball weighs 0.145 kg the player would not have to exert a large amount of force. If the ball weighed 1 kg it would take a larger amount of force to throw the baseball. In conclusion, baseballs are made lighter so the acceleration to the plate is easier on the player.
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