JROTC Science of Flight Lesson 1-3

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Relative Wind Depends on an Aircraft's

Speed and Direction

What is Another Name for Newtons First Law of Motion

Inertia

In what Year Was the First Manned balloon flight

1783

At Approximately What Degree Does an Aircraft Reach its Critical Angle of Attack

About 15 Degrees

What Generates Most of an Airplanes Lift

Airfoils

Which 3 things Determine the magnitude of drag

An Aircraft's Speed shape, Speed, and the Air's Viscosity

Why does an airfoils Shape Generate Lift

As Fast Moving air rushes of the airfoil the Pressure Decreases, and the slower air cause a higher pressure under the wing causing lift

What does F= ma Mean

Force= Mass Times Ecceleration

What Can You do to Increase the Amount of lift

Increase The Angle Of attack

What's an example in aviation in newtons 3rd law of motion

Jet purpultion

Which Edge of The Airfoil is Rounded

Leading Edge

What Two Challenges does Weight Purpose in Flying

Overcoming the Aircraft's Weight and Controlling the Aircraft in the Air

What are the 2 Types of Drag

Parasite Drag, and Induced Drag

What is Aerodynamics

The Way an Object Moves Through the Air

What does a vertical and horizontal Stabilizer do

They keep the Aircraft stable

Why Must a Glider Have a Large Aspect Ratio

To reduce Drag

Which Edge of The Airfoil is Sharp

Trailing Edge

What Did the Wright Brothers Discover Using a Wind tunnel

Which Airfoil Produced the Most Lifting Force


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