Lab 1 - Experiment 1-1(Newtons Laws Objective To...

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Experiment 1-1 (Newton’s Laws) Objective : To demonstrate Newton’s Second Law. Results, Explanations, Conclusion : For this experiment we stacked nine pennies in a pile and set them on the table. We then rapidly slid the tenth penny toward the bottom of the stack. Then we slid the penny slowly, and then slid the nickel, and then the dime while carefully watching and observing the outcomes that occurred after every slide. When the penny was fired quickly toward the stack it displaced the bottom penny. When the penny was fired slowly, there was hardly any visible reaction. These reactions occurred because although the mass is the same, the quick one has more acceleration, which causes a greater force. The law that this demonstrates is Newton’s Second Law. This experiment doesn’t work as well when the penny is slid slowly because there is not great enough force to move the bottom of the penny and stack. When the nickel was slid it displaced the whole stack because it has such a big mass and acceleration, which creates the bigger force. The dime had virtually no reaction because the mass and acceleration created little force. This idea shows that when there is more mass and acceleration there will be a greater force created, which is represented by the results that occurred. Teaching Applications : -“Bowl Over”: In this experiment you would have the children bowl with different sized balls that have different masses. They would roll them down a lane and try and knock over pins. This would show that with the different mass of the ball it would have an effect on the pin. The greater the mass and acceleration, the greater the force that would knock the pin down. -“Playing with Dough”: For this experiment you would have the children use play- dough. They would drop two balls with different masses from the same height and see the imprint that it made on the play-dough. This would show the effects that different masses have on objects.
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Experiment 1-2 (Hard-boiled and Raw Eggs) Objective : To demonstrate Newton’s First Law. Results, Explanations, Conclusion : For this experiment we used a raw and a hard-boiled egg. For each egg, we spun it on the table on its side. We then would grab it quickly and stopped the spinning and then gently would release it. We tried this experiment several times and observed our findings. Newton’s First Law applies to this experiment because the raw egg shows uniform motion because the liquid inside of the shell keeps moving. The hard-boiled egg was at rest until it was acted upon and then continued to be at rest after it was stopped. The raw egg continues to move because of the yolk inside it moves, and the hard-boiled egg stopped moving because the inside is solidified and has no momentum. In the raw egg the contents continue to move inside,
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This note was uploaded on 03/16/2011 for the course PHYSICAL S 110 taught by Professor Reese during the Fall '10 term at BYU.

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Lab 1 - Experiment 1-1(Newtons Laws Objective To...

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