성대 진동실험 (A+) - SimpleCompound Pendulum and Free Vibration experiment

목차

1. Simple/Compound Pendulum Experiment
1) Purpose of experiment
2) Experimental equipment
3) Experimental methods
4) Theory
5) Result and calculation
6) Discussion
7) Conclusion

2. Free Vibration
1) Purpose of experiment
2) Experimental equipment
3) Experimental methods
4) Theory
5) Result and calculation
6) Discussion
7) Conclusion

본문내용

Ⅰ. Simple/Compound Pendulum Experiment
1. Purpose of experiment
In the real world, things are not that simple as what we learn from textbook. We learnt much about a simple pendulum in school, but most pendulums that we are using are compound pendulums. A compound pendulum is not easy to calculate and predict, so there will be a hard time to produce some machines using pendulums. In this case, if compound pendulums can be calculated like simple pendulum, it will be helpful. Moreover, thinking a compound pendulum as a simple pendulum means that thinking a complicated system as a simple system. It is a easy way to interpret a complicated system. In this experiment, a simple and a compound pendulum are compared, and relation between them would be found.

2. Experimental equipment
A rotary encoder is an electro-mechanical device that converts the angular position or motion of a shaft or axle to an analog or digital code.

An acceleration sensor is a device that measures proper acceleration.

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