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This experiment is designed to approximate ì, the coefficient of friction, for two surfaces. We used a piece of rubber on the bottom of a wooden block on a wooden table.
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Mechanics Coursework This is experiment is designed to approximate µ, the coefficient of friction, for two surfaces. We used a piece of rubber on the bottom of a wooden block on a wooden table. Assumptions To undertake this experiment, first I developed an equation allowing a straight line to be plotted from our results. This will test if Coulomb's law is correct. The main assumptions made in this experiment are: 1. Acceleration is constant 2. The strings are light and inextensible, and the pulley is light and smooth 3. g, gravity is 9.8 4. Coulomb's law is correct 5. There is no air resistance 6. F=ma These assumptions have different weights in affecting our results. Some are more likely to affect our results, whilst others will only have a small effect. Assumption How strong the effect is on results Acceleration is constant This will have a moderate effect on the results. We can see that the acceleration is not constant. This is because friction...
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