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- 1. Multiple Choice
This type of pressure is felt if the fluid is not moving or you are moving with the fluid.
static
total
dynamic
- 2. Multiple Choice
According to the Bernoulli Principle, when a fluid's speed increases, the pressure
stays the same
decreases
increases
- 3. Multiple Choice
For lift to occur, which side of the wing needs to have low pressure?
top
bottom
front
- 4. Multiple Choice
How are a plane's wing flaps positioned during landing?
flat and straight
curved upward
curved downward
- 5. Multiple Choice
When an aircraft's speed increases, drag on the aircraft generally ___.
increases
decreases
stays the same
- 6. Multiple Choice
A vortex drag occurs
on the tips of the wings of a plane
in the middle of the wings of a plane
along the entire wing of a plane
- 7. Multiple Choice
Which type of plane stopped vortex drag by having long, narrow wings?
Lockheed U-2 spy plane
Douglas A4-C Skyhawk
an airliner
- 8. Multiple Choice
How do most airliners stop vortex drag?
having very long thin wings
having very short wings
having winglets
- 9. Multiple Choice
The study of forces and the resulting motion of objects through the air.
aerodynamics
lift
vortex thrust
- 10. Multiple Choice
What happens to the static air pressure when air slows down?
the pressure increases
the pressure decreases
the pressure stays the same
- 11. Multiple ChoiceAccording to Bernoulli's Principle, when the wind speed is high, wind pressure is ________highlownot enough informationNone of the above
- 12. Multiple ChoiceAccording to Bernoulli's Principle, when the wind speed is low, wind pressure is ________highlownot enough informationNone of the above
- 13. Multiple ChoiceTo generate lift, a blade is angled so the _________ pressure air moves under the blade.highlownot enough informationNone of the above
- 14. Multiple Choice
The faster a fluid moves, the lower the pressure is in the moving fluid compared to the fluid not moving as fast. This is calledArchimedes' PrincipleBernoulli's PrinciplePascal's PrincipleVice Principle Snyder - 15. Multiple ChoiceWhose Principle is used to describe why flight is possible?NewtonDescartesBernoulliPascal
- 16. Multiple ChoiceWhy is the top of an airplane wing curved?To create an area of low pressure above the wingTo create an area of high pressure above the wingTo create equal pressure above and below the wingTo make the wing look really cool
- 17. Multiple ChoiceThe design of a wing:causes the air above a wing to move faster than the air below the winghelps create liftcreates a low pressure area above the wingall of these answers are correct
- 18. Multiple ChoiceAir travels ______________ over the top of a wing.fasterslowerdoesn't move at allthe same speed as
- 19. Multiple ChoiceAn object and rest will stay at rest and an object in motion will stay in motion unless acted on by a force, is which one of Newton's Laws of Motion?4th Law of Motion1st Law of Motion3rd Law of Motion2nd Law of Motion
- 20. Multiple Choicea push and/or a pull.forcenet forcenormal forcedrag force
- 21. Multiple ChoiceA force that results from two objects rubbing past each other.GravityFrictionInertiaForce
- 22. Multiple ChoiceThe force that pulls objects towards Earth.GravityFrictionInertiaForce
- 23. Multiple ChoiceWhat is the unit called that measures force?IsaacYeeNewtonkilogram
- 24. Multiple ChoiceAn object will accelerate in the direction of the force applied to it.Newton's 1st LawNewton's 2nd LawNewton's 3rd LawNewton's 4th Law
- 25. Multiple Choice
When an object resists change, like a body in a turning car, it is called ________________.
inertia
force
friction
drag force
- Answer choicesTagsAnswer choicesTags