Lab Conclusion
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The goal of this lab experiment was to explore the factors that cause a change in motion of an object, determine the effect of mass on an object's acceleration, and investigate the acceleration of two objects acting on one another. In an analysis of this lab, I have found my hypothesis, "If I pull a card out from under a coin to let if fall into a beaker, use a pulley system with weights and a car to observe the acceleration of the car due to the weights, and use two cars with springs and weights to view the acceleration of the two cars, then I can study and observe Newton's Three Laws," to be correct. In the first part, the faster the card was pulled out, the easier it was for the coin to fall into the beaker. In the second part, heavier masses seemed to be directly related to the velocity at which the cars moved, as the heavier masses created greater velocities. In the last part, the relationship between the weights and the acceleration involved an inverse relationship. More weights decreased the acceleration as fewer weights increased the acceleration.
There were not many possible sources of error. The only one I can think of is one in the section concerning Newton's Third Law. When initially lining up the cars, they may not have been touching each other. This would affect the acceleration of the cars...