2 place the spring onto the eye hook 3 tie the string

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2. Place the spring onto the eye hook 3. Tie the string to the end of the spring and use the other end to tie to an anchoring point that will not move 4. Turn on the iOLab software and use the wheel sensor (position) and the force sensor to collect the data 5. Pull on the iOLab unit back and forth 7-10 times to collect sufficient data with smooth curves PHYS 1010 – page 1
Lab Assignment Sheet 6. Use the graph on the iOLab software to pull 5-8 data points (displacement and force) to graph on an excel sheet 7. Once the data points are in a table on excel, take the negative value of the spring force and this becomes the applied force value 8. Graph the applied force and displacement values 9. Next, create a math model, a diagrammatic model, and a verbal model of the results Diagram of Apparatus: Precautions and caveats: Do not tie the string to something higher than the iOLab unit so that the spring isn’t at an angle Data Table with Units: Displacement (m) Spring Force (N) Applied Force (N) 0.1914 -2.4925 2.4925 0.1506 -1.992 1.992 0.1146 -1.5052 1.5052 0.0769 -1.0047 1.0047 0.066 -0.895 0.895 PHYS 1010 – page 2
Lab Assignment Sheet Data Graphs: 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 0.2 0 0.5 1 1.5 2 2.5 3 f(x) = 12.91x + 0.03 Applied Force (N) vs. Displacement (m) Displacement (m) Applied Force (N) Math Model(s): y = 12.914x + 0.0295 Slope = k = ∆ F ∆ x = change applied force change displacement k= 12.914 PHYS 1010 – page 3

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