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Biomechanics

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Lab 1: The electric force versus distance

Objective: The purpose of this experiment was to test coulombs law by gathering an understanding of the effect two particles with like charges; interaction on one another as distance is decreased between them. Using graphs will give a clear understanding of how the electric force is effected by distance. Data: θ(degree) | R (cm) | 1/R | 1/R2 | 20 | 20 | 1/20 | 1/400 | 44 | 14 | 1/44 | 1/1936 | 56 | 10 | 1/56 | 1/3136 | 63 | 9 | 1/63 | 1/3969 | 76 | 8 | 1/76 | 1/5776 | 104 | 7 | 1/104 | 1/10816 | 125 | 6 | 1/125 | 1/15625 | 127 | 5 | 1/127 | 1/16129 | Calculations: F = KQ2R2 → F = A1R2 → F= A(R-2)

Explanation: My graphs display the result of two charged particles interactions as the distance between them is decreased. When the charge on the spheres are constant the shorter the distance between them the greater the electric force which is represented by the increase in the angle size on the y- axis. Even though I have curve linear graphs, when the distance (R) is squared in graph two it was found to be directly proportional to the angle. Conclusion: After graphing my data I was able to discover that the distance of the spheres is proportional to the electrical force produced to repel the spheres away from each other. The smaller the distance between two chargers the bigger the torque will be on the sphere that is hanging thus causing it to repel father away from each

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