Physics, 03.04.2020 23:40 kprincess16r
Open the Pendulum Lab simulation and click on the Intro option. (https://phet. colorado. edu/sims/html/pendulum-lab/latest/p endulum-lab_en. html)
Investigation #1 (How does mass affect period?):
Change the string length to 0.5 m (upper right-hand corner)
Click and drag the pendulum so it has an amplitude of 10°
Change the mass each time you complete a trial
Use the stopwatch to time 10 full cycles of the pendulum
Calculate the period of the pendulum (time to complete one full cycle) by dividing the Time of 10 Cycles by 10.
*Abbreviations used below: Independent Variable - IV Dependent Variable - DV Constants - C
Data Table 1: IV - Mass (kg) DV - Period (sec) C - 10° Amplitude / 0.5 m String Length
Mass (kg)
Time of 10 Cycles (sec)
Period (seconds)
0.1
0.3
0.5
0.7
1.0
Investigation #2 (How does amplitude affect period?):
Keep the string length at 0.5 m
Change the mass of the pendulum to 1.0 kg
Change the amplitude each time you complete a trial.
Use the stopwatch to time 10 full cycles of the pendulum
Calculate the period of the pendulum (time to complete one full cycle) by dividing the Time of 10 Cycles by 10.
Data Table 2: IV - Amplitude DV - Period (sec) C - Mass (1.0 kg) / 0.5m String Length
Amplitude (°)
Time of 10 Cycles (sec)
Period (seconds)
10
15
20
25
30
Investigation #3 (How does string length affect period?):
Keep the mass at 1.0 kg
Click and drag the pendulum so it has an amplitude of 10°
Change the string length each time you complete a trial.
Use the stopwatch to time 10 full cycles of the pendulum
Calculate the period of the pendulum (time to complete one full cycle) by dividing the Time of 10 Cycles by 10
Data Table 3: IV - String Length DV - Period (sec) C - Mass (1.0 kg) / 10° Amplitude
String Length (m)
Time of 10 Cycles (sec)
Period (seconds)
0.10
0.30
0.50
0.70
1.0
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Open the Pendulum Lab simulation and click on the Intro option. (https://phet. colorado. edu/sims/ht...
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