# Wright State University Lake Campus/2016-9/Phy1110/log/Rimstock

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### Vector Balancing

• The objective of this experiment is to observe the balancing forces behind the vectors formed by a 3 4 5 triangle using three weight holders on a vector table.
• Experimental Steps
• Set two weight holders 90 degrees apart, preferably set at 0 and 90 degrees
• Place 250g at 0 degrees, 200g at unknown, and 150g at 90degrees respectively on each weight holder
• Experiment by moving the third weight until the vectors have balanced and the ring is centered
• Measure and document the largest unknown angle on your vector table
• Using this formula, find actual value of this angle
• ${\displaystyle \theta _{\text{actual}}=180-\left(\operatorname {arctan} {\frac {3}{4}}\right)\cdot {\frac {180\deg }{\pi }}}$[1]
• Divide actual angle measurement by the difference between actual and measured angle to determine error percentage
• Results
• We found our largest measured angle to be 144 degrees and calculated the actual angle to be 143 degrees, resulting in a ~.7% error
1. Copied from class log