Hello, I'm Tim-math-y, Friday's physics scribe. On Friday, we conducted a lab which involved the observations, analysis and conclusions of circular motion.
It involved a plastic tube which is held, that contained a string that ran through its hollow tube. On the bottom of the string was attached a number of washers that represented the force acting upon the system. On the other end of the string was attached a rubber stopper that contributed the weight needed to swing the string and form a circular motion.
We added additional washers to increase the force and recorded the time it took to complete 30 full revolutions. From this data, we found the rate at which it was moving (time/30) and thus velocity (radius remained constant). We also found speed squared. Then we graphed the data onto two separate graphs and answered questions involving the relationship between speed and force, and speed squared and force.
That was Friday's class in a brief summary. Monday's scribe is.. MrSiwwy
Have a nice day.
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