Simulation website: https://www.thephysicsaviary.com/Physics/Programs/Labs/AtwoodLab/ Part A: Constant Total Mass 1. Go

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Simulation website: https://www.thephysicsaviary.com/Physic ... AtwoodLab/ Part A: Constant Total Mass 1. Go to the simulation website, then click Begin. 2. Set M1=130 g and M2-120 g. Select default Earth. 3. Click Start to release the weights to move. 4. The weights' position and velocity as function of time graphs are displayed. 5. Estimate the acceleration from the graphs. This is asxp, experimental value of the weights' acceleration. Record M1, M2, and asp in Data Table A. Record all data in SI Units. 6. Increase M1 by 10 g and decrease M2 by 10 g so that M1+M2 remains constant. 7. Run the simulation and record the data. 8. Repeat steps 3-7, each time increase M1 by 10 g and decrease M2 by 10, until Run#A8. Part B: Constant Net Force 1. Set M1- 130 g and M2-80 g. 2. Perform the simulation and record the data the same as in Part A. Record data in Data Ta- ble B. 3. Increase both M1 and M2 by 10 g to keep the net force constant for each run until Run#B8. Calculations Calculate for each run the following and record in the data tables. 1. The net force, using Fnet (M₁-M₂) 8 = 2. Total mass, M1+M2 3. The theoretical acceleration, using Fnet atheory = M₁ + M₂ 4. The percent error between the experimental acceleration and the theoretical acceleration. (See the document in the Lab Instruction module on Canvas.)

Results and Data/Conclusions: Data Table A: Constant Total Mass Run# M M A1 A2 A3 A4 A5 A6 A7 A8 1 (kg) 0.130 0.140 0.150 0.160 0.170 0.180 0.190 0.200 2 (kg) 0.120 0.110 0.100 0.090 0.080 0.070 0.060 0.050 a F net exp 2 (N) (m/s) 0.378m/s2 0.098 N M₁+M₂ 1 2 (kg) 0.25kg a Percent error theory 2 (m/s) 0.392m/s² 3.57%

Data Table B: Constant Net Force Run# M M B1 82 B3 B4 85 B6 B7 88 1 (kg) 0.130 2 (kg) 0.080 0.140 0.090 0.150 0.100 0.160 0.120 0.170 0.130 0.180 0.140 0.190 0.150 0.200 0.160 exp 2 (m/s) F net (N) M + M 1 (kg) 2 a theory 2 (m/s) Percent error

Questions Use Data Table A for Questions #1-3, and Data Table B for Question # 4-6. 1. For the Constant Total Mass data, plot a graph of Fnet VS. aexp (Table A). Find the best-fit line equation. Attach the plot, with the best-fit line equation, to the lab report. 2. What does the slope of the best-fit line represent? 3. How does the Force vs. Acceleration plot relate to Newton's Second Law? 4. Plot the dep vs (M, + M₂) graph for Data Table B. Fit the data to an inverse function, y = A/ x. Attach the graph with best-fit equation to the report. 5. Find parameter A and explain what A represents. 6. How does the aexp VS (MI + M₂) plot relate to Newton's Second Law.