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Civil Air Patrol - Aerospace - Module 1
Questions and Answers Already Passed
Pure flight involves using a force to________a machine _____________. ✔✔lift; upwards
_____________and his son _________tried to fly in an ancient legend ✔✔Daedelus ; Icarus
1299 AD- Marco Polo saw _________ sailors attached to kites being used as __________ observers. This could be considered the first manned aircraft. ✔✔Chinese; military
21 November 1783- _______minute balloon flight over _________. ✔✔25; Paris
Wings are designed to make air flow ______ on the top. It creates low pressure on top and high pressure on the bottom of the wing, creating ______. ✔✔faster; lift
As the velocity of a fluid increases, the pressure decreases. ✔✔Bernoulli's Principle
An object at rest will remain at rest unless acted on by an outside force ✔✔Newton's First Law
A force acting on a body causes it to accelerate in the direction of the ✔✔Newton's Second Law
For every action there is an equal and opposite reaction - acceleration- F=ma ✔✔Newton's Third Law
____________ __________accelerates over the upper camber of the wing ✔✔Relative wind
Natural force, creates resistance ✔✔Drag
Natural force pulls you down ✔✔Gravity
Artificial force, pushes or pulls an airplane forward, opposes lift ✔✔Thrust
Artificial force, creates the pressure changes needed for lift ✔✔Lift
- A greater surface area generates more lift
- Increase the curve of the upper camber of the wing
Rotation around vertical axis ✔✔Yaw
When flaps are _________ it __________ wing area. ✔✔Down; Increases
Flaps _________ lift so the airplane can fly slower but still _________ height. ✔✔Increase; Maintain
_________ are used in take-off and to increase drag ✔✔Flaps
__________ on gliders disrupt air flow over the upper camber. ✔✔Spoilers
_____________ increase rate of descent. ✔✔Spoilers
___________ ____________ _________: The amount of heat required to raise the temperature of one pound of water one degree Fahrenheit. ✔✔British Thermal Unit (BTU)
