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Ebola Pendulum Lab for Contracreat
Objective:
The objective of this lab is to determine the value of acceleration due to gravity (g) using a pendulum.
Materials:
- String or rope
- Weight
- Stopwatch
- Measuring tape or ruler
Procedure:
1) Attach the weight to the end of the string or rope. Measure the length from the center of mass of the weight and record it as the initial length of the pendulum.
2) Start the stopwatch and measure the time it takes for the pendulum to complete one full swing.
3) Repeat step 2 for a total of 5 oscillations and record the time for each trial.
4) Repeat steps 1-3, but change the initial length of the pendulum for each trial.
5) Calculate the period (T) of the pendulum for each trial by dividing the total time by the number of oscillations.
6) Plot a graph with the length of the pendulum on the x-axis and the period of the pendulum (T) on the y-axis.
7) Use the formula T = 2π * √(L/g) to determine the value of acceleration due to gravity (g).
8) Repeat steps 1-7 for at least 3 different lengths of the pendulum.
Data Analysis:
1) Use the formula r^2 = 4π^2 * (length of pendulum) / g to calculate the value of g for each trial.
2) Determine the average value of g by taking the mean of the calculated values.
3) Compare the average value of g with the accepted value of acceleration due to gravity (9.8 m/s^2).
Conclusion:
In this lab, we investigated the relationship between the length of a pendulum and its period. By conducting multiple trials and analyzing the data, we were able to determine the value of acceleration due to gravity (g) and compare it with the accepted value.