Pendulum Lab Report

Published: 2021-09-29 11:15:10
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The curve for the data from the angle of release was not very accurate because it was difficult to release the pendulum at an exact angle. That is why the curve does not exactly fit the data points. With an increase of mass, I again had the same problem. The data was not accurate because it was again difficult to be precise with the angle of release.
For the length of the pendulum I did see a change. The period increased when the length of the pendulum was increasing. I choose the quadratic equation because that’s the equation that fit the best with my data points.During the pendulum lab I have found a lot of sources of error. My reaction time with the timer could have affected the time a lot. The way I tied the string to the lab stand could also have affected the way that the pendulum oscillated. I put the lab stand on a table but it could be that this table was not completely horizontal, so that could have also affected my data.
The protractor that I made and glued onto a piece of cardboard could also not have been exactly straight. I also noticed that my pendulum would not always swing straight it would swing at a weird angle because I released it wrong.This could also have affected the data a lot. There was also air blowing on the pendulum because of the air conditioning. There was also a lot sources for systematic errors. Such as the protractor and the meter stick. All of these errors could have been prevented and if I would do the lab again I would change all of these factors.
Such as redesigning the lab so that photo gates could time the period. Making sure that the table was straight, and making a better protractor that is more accurate. To make sure that the pendulum would swing completely straight I could have changed the way in which I would release the pendulum.

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