February 27, 2012

Center of Mass of Objects

          For this Lab session, we had an experiment about the center of mass of objects.  We were given a meter stick which we used as a beam in a set-up.  The objective of the experiment is to use the balance beam to know the theoretical and experimental weight of a certain object, then we use the center of mass formula to find the mass of the beam used, which was the meter stick.  After we found the theoretical mass of the meter stick, we computed for the percent deviation of error for the mass we acquired experimentally.


          Then we also determined the mass of a certain object, which we used an external drive from Martin's bag.  We were able to experimentally and theoretically acquire the mass of the object.  Then we also had to test the validity of using Center of Mass to determine the mass of regular and irregular objects.


           Overall, our experiment was a success. We were able to acquire the data we need to gather for our technical report and we were able to prove the validity of the center if mass formula for finding the mass of regular or irregular objects.

          "Balance" is really an interesting phenomenon where everything is at equilibrium.  It is important for our daily lives to actually know why something "balanced" does exist.  On this experiment, we were able to answer why systems achieves equilibrium or static equilibrium.

           Now, we should just do our technical paper and we are good to go for another fun experiment!
          Looking forward for more physics fun!

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