Physics Lab Report 5.docx - Fordham University Physics I Lab PHYS 1511(R07 Fall 2018 Experiment 5 Centripetal Motion Procedure Different weighted masses

# Physics Lab Report 5.docx - Fordham University Physics I...

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Fordham University Physics I Lab: PHYS 1511 (R07) Fall 2018 Experiment 5: Centripetal Motion Procedure Different weighted masses were placed on the apparatus with an equally weighted counterweight on the opposite end as the mass travelled in a uniform circle when the apparatus was turned on. Mean speed and mean force were collected during various runs. In the first portion of the experiment, the weight of the added mass was manipulated. In the second part, the voltage used by the apparatus was manipulated.

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Collected Data: Radius: 10.3 cm 0.103 m Distance from rod to string : 15.8cm 0.158m Weight mass holder: 0.0038 kg Force Vs. Mass Mass (kg) Average Speed (m/s) Average Force (N) 0.005 2.519 0.464 0.010 2.498 0.777 0.015 2.526 1.038 0.020 2.549 1.306 0.025 2.528 2.028 Force Vs. Speed Voltage (V) Average Velocity (m/s) Average Force (N) 5.0 3.265 3.447 4.5 2.934 2.495 4.0 2.574 2.103 3.5 2.182 1.493 Analysis 1. 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 0 0.01 0.01 0.02 0.02 0.03 0.03 0.04 f(x) = 0.02 x − 0 Average Force vs. Mass Mass (kg) Force (N) Figure 1. This graph shows the relationship between the average force and mass of the object. The slope is 0.0156 and the y intercept is -0.0017.
0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 0 0.01 0.01 0.02 0.02 0.03 0.03 0.04 f(x) = 0.02 x − 0 Theoretical Force vs. Mass Mass (kg) Force (N) Figure 2. This graph shows the relationship between theoretical force and mass of the object. The slope is 0.00159 and the y intercept is -0.0035. The slope of the average force vs. mass graph is similar to the slope of the theoretical force vs. mass graph. The y-intercept differs as the theoretical force mass has a y-intercept double that of the average force graph. Generally, though, the two slopes are quite similar.

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