PHY131L REPORT-3 vectors

# PHY131L REPORT-3 vectors - Daejin(Bryan Kim PHY131L PHY131L...

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Daejin (Bryan) Kim PHY131L 1/30/07 PHY131L REPORT – Vectors Objectives 1. To apply magnitude and direction of vectors in real life situations Equipment Force table Four pulleys Metal ring Four weight hangers String Two slotted weight sets Small weight set Protractor Ruler Procedure Using the force table, we mounted 240g on the 0 degree mark, 150g on 60 degree mark. Then we tried to put a third weight that would cancel out these two vectors, by trial and error. Using strings and pulleys, we tried to minimize the effect of friction string had on the force table. Also, we put a ring in the middle of the table to tie the string to see when the vectors cancel. If the ring ends up perfectly in the middle, the vectors have cancelled out. After the first trial and error experiment, this time, we tried to predict the equilibrant vector. We mounted 160g on 0’, 200g on 90’, 250g on 200’. We graphed these vectors out, and then added them together to find a sum of three vectors. By adding 180’ to the sum of the vectors, we found the equilibrant vector to cancel out all three vectors. Also, we

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