EOM 231.02
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
FCpl Kelly, Scarlett
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Air acts like a fluid to the extent that it has...
Density, Pressure, Speed
Inertia, Speed, Pressure
Movement, Humidity
Mass, Water, Gasses
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Newton’s third law of motion allows the aircraft wing, by applying a force that changes the motion of air, to develop lift through an ________ and equal reaction.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As stated in Bernoulli's Principle: When air speed increases, the pressure...
disappears
spins
increases
decreases
4.
OPEN ENDED QUESTION
3 mins • 1 pt
Choose one of the three topics I talked about (Newton's 3 Laws, Bernoulli's Principle, or angle of attack) and describe how it contributes to aircraft lift.
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Answer explanation
answer's should include:
Newton's Laws
- air remains in motion when it is moving
- a force must be applied to change the air's motion
- the aircraft wing develops lift through an opposite and equal reaction
Bernoulli's Principle
- A wing uses Bernoulli’s Principle to deflect air, which causes an equal and opposite reaction
- if air speed increases, pressure decreases and if speed decreases, pressure increases
Angle of Attack
- The greater the wing’s angle of attack, the more air the under-surface of the wing will encounter, thereby generating more lift. This is a direct relationship between angle of attack and lift
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
The angle of the wing’s under-surface, which encounters the moving air, is called the wing’s ____________________.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What relationship exists between air speed and air pressure?
Backwards Relationship
Inverse Relationship
aerodynamic Relationship
Reciprocal Relationship
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does air follow Newton’s first law of motion?
When in motion, a force must be applied to change air’s motion.
When in motion, air tends to spin around itself.
When in motion, air tends to slow down.
When in motion, air tends to remain in motion.
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