Intro and Conclusion Lab 3

# Intro and - Jorge Lopez Partner Andy Rachlin Jl9959 Experiment 3 Force and Potential Energy Introduction According to Newtonian physics if an

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Jorge Lopez Partner: Andy Rachlin 3/3/10 Jl9959 Experiment 3: Force and Potential Energy Introduction According to Newtonian physics, if an object is in a potential setting then that object will experience a force acting on it. In this experiment a magnetic field was used by placing a magnet at one end of the air track and another magnet at one end of the glider. As the magnet on the glider got closer to the other magnet, the repulsion between the two increased. This means that the potential energy increases as the distance between the two magnets decreases. We predict that as we put the magnets closer together, the potential energy increases and because of this, the velocity of the glider will be greater. Therefore as the distance between the two magnets decreases, the kinetic energy of the glider will increase due to the increasing velocity. After the individual potential energy for each distance is found, then the graph of the potential energy versus distance can be made and by using the best-fit curve the constants can be found to the equation of potential energy = ( + ) Ux m1 x m2 3 . Then to find the magnitude of the force, the derivative of U(x) can be calculated since the force is equal to the negative derivative of U. To find the static force, a string over a frictionless pulley with mass will be used.

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## This note was uploaded on 09/13/2011 for the course PHY 303K taught by Professor Turner during the Fall '08 term at University of Texas at Austin.

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Intro and - Jorge Lopez Partner Andy Rachlin Jl9959 Experiment 3 Force and Potential Energy Introduction According to Newtonian physics if an

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