The Tacoma Narrows Fallacy
Interactive Video
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Physics, Science
•
11th Grade - University
•
Hard
Wayground Content
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is resonance, and why was it incorrectly thought to be the cause of the Tacoma Narrows Bridge collapse?
A process where vortexes take turns sluffing off the edge of an object; the wind was too strong.
A type of sound wave interference; the bridge was poorly designed.
A vibration driven by a source oscillating at a similar frequency; the wind was not oscillating.
A phenomenon where structures twist due to wind; the bridge was too rigid.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why was vortex shedding ruled out as the cause of the Tacoma Narrows Bridge collapse?
The wind speed was too low for vortex shedding to occur.
Vortex shedding only affects small objects, not large structures like bridges.
The bridge's design prevented vortex shedding from having any effect.
The wind was not alternating in a way that would cause vortex shedding.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is aeroelastic flutter, and how did it lead to the collapse of the Tacoma Narrows Bridge?
A phenomenon where a structure's weight causes it to collapse under its own mass.
A process where wind causes a structure to vibrate and twist until it fails.
A type of resonance that occurs when wind speed matches the natural frequency of a structure.
A fluid dynamic process where air pressure differences cause structural failure.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of aeroelastic flutter affecting structures other than bridges?
A swing set moving on its own for days.
A skyscraper swaying in the wind.
A car vibrating at high speeds.
A tree bending in a storm.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When was the last known occurrence of aeroelastic flutter affecting a commercial airplane?
In the mid-1970s.
In the early 2000s.
In the late 1980s.
In the early 1960s.
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