![]() ![]() The paper is worth reading just to show what needed to be done to get a value to $\pm 0.00005\%$. The purpose of this lab is to measure the acceleration due to gravity of a falling object assuming that the only force acting on the object is the gravitational. It may be of interest to you to you that your method is the basis of the method used by D R Tate to measure $g$ at the National Institute of Standards and Technology (NIST), then called the National Bureau of Standards. If you want any further help then perhaps you need to say more about the experimental set up that you used? In this experiment, we measured g by measuring the period of a pendulum of a known length. This correspond to a relative difference of 22 with the accepted value ( 9.8 m/s 2 ), and our result is not consistent with the accepted value. Perhaps a better method of analysis might be to plot $\frac d t$, which is the average velocity between the two light gates, against $t$ and from the gradient of the graph ($=\frac g 2$) find $g$? In this experiment, we measured g by measuring the period of a pendulum of a known length. I'm assuming $v$ initial is $0 \frac$ and $g$ and hence you can now solve for $g$. Ball is dropped from right above the first gate to make sure initial velocity is as small as possible (no way to make it 0 with this setup/timer). This way I'm getting distance traveled, and time. ![]() Basically, I have two timer gates that measure time between two signals, and I drop metal ball between them. However the most interesting variable is, the length of the swinging pendulum. There are many variables we could see into, some of them are displacement, angle, damping, mass of the bob and more. ![]() And have more tests will be better to confirm the results, if each personal do the ten times, then compare the each result, more tests is help to reduce errors.This seems like pretty basic experiment, but I'm having a lot of trouble with it. This report shows how to find an approximate of ‘g’ using the simple pendulum experiment. Change the yellow plastic ball to an iron ball or other heavier ball will be much decreases the effect from air resistance. Set a constant height will be better than use hands to drops the ball. Air resistance and height is just relatively constant are the most reasons. The error make the result with forecast has a large gap. In the conclusion, this lab seems to didn’t have generated strong support for the theories and hypothesis that g = CACM/so. Physicists Measure the Gravitational Force between the Smallest Masses Yet A laboratory experiment captured the pull between two minuscule gold spheres, paving the way for experiments that. The objective of the lab was to determine the gravitational acceleration constant, g, by measuring the change in velocity of known masses sliding down an inclined plane. Conclusion The experiment is to calculate the acceleration of gravity using the Smart Timers. The data result with prediction has about 47. Also the smart line connect line data transmission time will be effect the result, but this time is almost negligible, and under the present conditions, it is no way to improve that much. Use hand to start drop the ball is hard to constant the height, here will have some error, and plastic ball may too light, it is susceptible to get effect by the air resistance. The most likely cause is air resistance and height not content. Error Analysis The result has a considerable error with prediction. Shorten the connect line both between the Photostat and smart timers, and pad and smart timers. The new hypothesis need to make sure the ball is drop from the same height, use hands to begin the drops will be have too much error, choose a heavier ball, to reduce the impact of air resistance. It has a considerable error with prediction. (Throw out an extremely large or small value) The result have an anomalies, it’s much bigger than the prediction that g CACM/so. The data also show the average value of time and “g”. The units of acceleration are typically m/s2. The equation is: a vt ( Acceleration ) Acceleration is also a vector because it has a direction. Do this 10 times and take an Data The following chart details the ten times trials of the experiment and includes an average of the ten times trials. Acceleration can be calculated by finding the change in velocity and dividing it over the time. After pressing “3” start/stop button twice until a “star” appears on the screen, release the yellow plastic ball and measure the time it takes to fall. ![]()
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