This is an online, interactive lab that contains instructions, multimedia, and assessments where students can learn at their own pace. As an instructor, you can create and edit instances of this lab, assign them to students, and view student progress.
This is an online, interactive course that contains instructions, multimedia, and assessments where students can learn at their own pace. As an instructor, you can create and edit instances of this course, assign them to students, and view student progress.
This lab explores the concept of strain measurement using a strain gage. Students will take measurements from and calibrate a strain gage mounted on a cantilever beam and placed in a quarter-bridge Wheatstone configuration. Then they will measure the natural frequency of the beam assembly by applying a fast Fourier transform to the response of the beam due to an impulse.
After completing this lab, students will be able to:
Understand the differences between quarter, half, and full Wheatstone bridge circuits.
Calibrate the output of a strain gage in terms of beam displacement.
Determine the natural frequency of a cantilever beam using a strain gage by applying a fast Fourier transform.
Physics I or equivalent
Calculus I or equivalent
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