The bridge successfully passed three of the four tests, as well as meeting the dimensional requirements of the project. 

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The bridge was able to successfully articulate to an average of 155 mm, exceeding the requirement of 140 mm by 15 mm. The bridge was also able to articulate open in an average of 0.97 seconds, which was well under the 60 second requirement. 

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The bridge was not able to lift enough under a 10 gram load so a sheet of printer paper could slide under the bridge. It took the bridge 15 grams to allow a gap large enough for the paper. One way the could've been improved would've been to replace the cotton cord used for articulation with a cord that was more rigid, since the cotton cord sagged before the bridge was able to lift. 

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The bridge was also able to support the required load of 18.9 to 20 kg. The bridge reached a maximum load of 190.02 N (19.4 kg). The bridge displaced 1.66 mm under that load, which was well within the allowed 25 mm of deflection. The bridge also didn't experience any permanent deformation after being subjected to the load. When tested to failure, the bridge was able to support 634.01 N (64.7 kg) before the bottom member fractured. 

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The final weight of the bridge and articulation tower was 79.5 grams, which was below the maximum weight of 85 grams by 5.5 grams. 

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The results are accurate and precise. Tape measures were used to measure the height of the bridge. The articulation time was determined by examining the footage of the articulation test to the nearest hundredth of a second. A scale was used to weigh the masses, and the Instron gave accurate data for the force and displacement.