Newton’s Three Laws of Motion
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Newton’s Three Laws of Motion
We experience each of Sir Isaac Newton’s laws everyday. In a car, pushing a car, or even in a fight. All of these laws have to do with motion. You can experience the first law in a stopping car, the second when you are a pushing a shopping cart, and the third one in the water.
Newton’s first law in laymen terms is “An object in motion tends to stay in motion, and an object at rest tends to stay at rest, unless the object is acted upon by an outside force.” You would feel the law if you were in a fast moving car, lets say 70 mph, which suddenly comes to a stop. You would continue to move forward (If you didn’t have a seat belt on) but the car would come to a stop. You would then continue to move through the air at 70 mph until you hit the ground because you are not connected to the car. You would fall to the ground because of gravity. If you were in an area with a vacuum and you crashed, you would not stop. The impact would hurt very much because of Newton’s Third law, which I will explain later.
Newton’s second law can be explained with the equation, A=F/M or F=MA, where A=Acceleration, F=Force, and M=Mass. In normal words, Acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object). You can use this formula to see how much force is needed to move certain objects. Lets say Mike’s car is about 1,000 kg. He pushes it at .06 m/s/s. The equation would be F=1,000(.05). The answer is F=50 Newtons