Physics_lab#6

Physics_lab#6 - TC Neuhs Lab #6: Fluids 12/5/07 Analysis...

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TC Neuhs 12/5/07 Lab #6: Fluids Analysis Work W actual = W app + W overflow (Aluminum Cylinder) 287 = 190 + 103 287 ≈ 293 (Plastic Cylinder) 98 = 0 + 100 98 ≈ 100 1- According to Archimedes’ principle the actual weight of an object should be equal to its apparent weight in a fluid plus the weight of the displaced fluid. We attempted to prove so by displacing two different objects in water and measuring their weight both in and out of water as well as what they displaced. In the case of the Aluminum Cylinder the actual weight in the air was 287g. By adding the apparent weight in water and what it displaced we found the weight to be 293g. The results are within 6g of each other. They are not terrible but the discrepancy is most likely due to the error in the scale and the slight weight added by the string. In the case of the plastic cylinder the weight in air was 98g. There was no weight in water because the cylinder floated and the weight displaced was 100g. Therefore, the calculated weight was 2g higher than the actual weight.
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This note was uploaded on 03/27/2008 for the course PHY Physics 11 taught by Professor Gallager during the Spring '08 term at Tufts.

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Physics_lab#6 - TC Neuhs Lab #6: Fluids 12/5/07 Analysis...

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