Experiement 5

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Georgia State University *

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3840

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Mechanical Engineering

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Apr 3, 2024

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2

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Procedure: Simulation Link: http://www.thephysicsaviary.com/Physics/Programs/ Labs/ForceBuoyancy/index.html Part I: Buoyancy Lab – Buoyancy in different fluids. (a) Click ‘Reset’ on the lower right of simulation screen. Select fluid as ‘Gasoline’. (b) Select location as ‘Earth’, Bottle Volume as 100mL, mass as 2,000 grams. Leave all other parameters unchanged except location and fluid type. (c) Click on ‘Start’ and allow enough time for bottle to be completely submerged and motionless. Graph shows total time as sixteen seconds. (d) From your graph subtract reading of force when in fluid from force when in air to determine buoyant force. (e) Click on ‘Fluid’ to change fluid. Do not change any other parameter. Now repeat experiment for all available fluids in simulation (f) Record data in table below. (g) Make a graph of Force Buoyant vs. density. Fluid Density (Kg/m 3 ) Force in Air (N) Force in Fluid (N) Buoyant Force (N) Gasoline 743 19.5 19 0.5 Maple Syrup 1370 19.5 18 1.5 Crude Oil 900 19.5 18.5 1 Fresh Water 1000 19.5 18.5 1 Mercury 13546 19.5 6.5 13 Part II Force Buoyant vs. Bottle Volume (a) Click ‘Reset’ on the lower right of simulation screen. Select fluid as ‘Fresh Water’. (b) Select location as ‘Earth’, Bottle Volume is 100mL, mass is 1,000 grams.
(c) Click ‘Start’ and allow 16 seconds to elapse before you read values off graph. As in previous runs, subtract reading of force when in fluid from force when in air to determine buoyant force. (d) Click on ‘Bottle Volume’ to change volume of bottle. Do not change any other parameter. Now repeat experiment for seven different ‘Bottle Volumes’ available in simulation. (e) Create a data table and record your experimental data. (f) Plot a graph of Force Buoyant Vs Volume. Volume Density (Kg/m 3 ) Force in Air (N) Force in Fluid (N) Buoyant Force (N) 100 ml 1000 9.8 8.8 1 179 ml 1000 9.8 8 1.8 291 ml 1000 9.8 7 2.8 404 ml 1000 9.8 5.8 4 521 ml 1000 9.8 4.7 5.1 600 ml 1000 9.8 3.9 5.9
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