Physical Forces
How many physical forces are there?
4
What animals did humans try to copy to learn how to fly?
birds
What is an airfoil?
the shape of a part of the plane... usually the wing
A helicopter has two airfoils called what?
rotors
What do you call anyone who helps design, build, test or operate any machine that travels in space?
Aerospace Engineer
What force keeps objects on the ground?
gravity
-Who flew the first powered airplane?
What blows in the opposite direction that a plane is flying? (two words)
relative wind
What is located on the tail to help the airplanes nose stay level?
horizontal stabilizer
Who became the first two men to fly in a hot air balloon?
Montgolfier Brothers
-What force pushes objects up into the air?
lift
-Who was the first person to fly nonstop across the Atlantic Ocean?
Charles Lindbergh
What says that for every actions, there is an equal and opposite reaction?
Newton's third law
True or False, Pilots can change lift by changing the shape of the wing.
true
What was the name of the first airplane that flew across the Atlantic Ocean?
Spirit of St. Louis
What force makes a plane go forward?
thrust
-What did the Chinese invent to try to recreate flying using the wind?
kites
What is the angle that the wing has to the wind that is blowing against it?
angle of attack
True or False - When the engine cuts off of an airplane, it will continue to autorotate.
false
In what year was the Wright brothers first powered airplane flight?
1903
What force holds a plane back?
drag
Who was the mythical creature who covered himself with wax and feathers to try to fly?
Icarus
-A critical angle of attack causes lift to no longer be produced. What is this called?
-Who invented a machine that could fly straight up, straight, backward, forward and sideways?
Igor Sikorsky
-What does FAA stand for?
Federal Aviation Administration