Laws of Flight
Which of the following best describes Newton’s First Law of Motion?
A. An object accelerates when force is applied
B. Every action has an equal and opposite reaction
C. An object at rest stays at rest unless acted upon by a force
D. Pressure decreases as velocity increases
C. An object at rest stays at rest unless acted upon by a force
Which force opposes lift?
A. Thrust
B. Drag
C. Weight
D. Pressure
C. Weight
What is the leading edge of an airfoil?
A. The back of the wing
B. The front edge that meets the air first
C. The center of the wing
D. The bottom surface
B. The front edge that meets the air first
What does stability in an aircraft refer to?
A. Ability to fly fast
B. Ability to resist changes in motion
C. Ability to climb quickly
D. Ability to carry cargo
B. Ability to resist changes in motion
Stability refers to:
A. Speed of aircraft
B. Ability to resist changes in motion
C. Engine power
D. Fuel use
B. Ability to resist changes in motion
How does Bernoulli’s Principle explain lift?
A. Air moving faster over the wing creates lower pressure
B. Air slows down over the wing creating higher pressure
C. Gravity pulls the aircraft upward
D. Engines push air downward only
A. Air moving faster over the wing creates lower pressure
What is the main function of thrust?
A. Pull the aircraft downward
B. Push the aircraft forward
C. Slow the aircraft
D. Increase air pressure
B. Push the aircraft forward
The chord of an airfoil is defined as:
A. The curve of the wing
B. The distance from leading edge to trailing edge
C. The thickness of the wing
D. The angle of attack
B. The distance from leading edge to trailing edge
Which term describes how easily an aircraft responds to control inputs?
A. Stability
B. Maneuverability
C. Drag
D. Lift
B. Maneuverability
Maneuverability refers to:
A. Ability to stay steady
B. Ability to respond quickly to controls
C. Weight of aircraft
D. Drag force
B. Ability to respond quickly to controls
The Venturi effect states that:
A. Fluids slow down in narrow spaces
C. Pressure increases with velocity
D. Air cannot flow through small spaces
B. Fluid speed increases and pressure decreases in a constricted area
Which force is caused by air resistance?
A. Lift
B. Weight
C. Thrust
D. Drag
D. Drag
Which control surface primarily controls roll?
A. Rudder
B. Elevator
C. Aileron
D. Flap
C. Aileron
What is stall behavior?
A. When the engine stops working
B. When airflow separates from the wing causing loss of lift
C. When the aircraft speeds up rapidly
D. When thrust increases
B. When airflow separates from the wing causing loss of lift
A stall occurs when:
A. Engine stops
B. Lift is lost due to airflow separation
C. Speed increases
D. Thrust increases
B. Lift is lost due to airflow separation
Which example demonstrates Newton’s Third Law of Motion in flight?
A. Lift generated by wings
B. Thrust produced by jet engines pushing exhaust backward
C. Drag slowing the aircraft
D. Gravity pulling the aircraft downward
B. Thrust produced by jet engines pushing exhaust backward
How do lift and weight interact during level flight?
A. Lift is greater than weight
B. Weight is greater than lift
C. Lift equals weight
D. Neither force matters
C. Lift equals weight
What is the function of flaps?
A. Increase speed
B. Decrease lift
C. Increase lift and drag for takeoff and landing
D. Control yaw
C. Increase lift and drag for takeoff and landing
Which characteristic refers to how well an aircraft maintains its flight path after disturbance?
A. Maneuverability
B. Stability
C. Drag
D. Thrust
B. Stability
What is a key cause of a stall?
A. Low fuel
B. Excessive angle of attack
C. High thrust
D. Low drag
B. Excessive angle of attack
Which of the following best describes Newton’s Second Law of Motion?
A. Objects resist motion
B. Force equals mass times acceleration
C. Every action has an equal reaction
D. Pressure decreases as velocity increases
B. Force equals mass times acceleration
Which force must be greater than drag for an aircraft to speed up?
A. Lift
B. Weight
C. Thrust
D. Gravity
C. Thrust
What is the primary function of the rudder?
A. Control roll
B. Control pitch
C. Control yaw
D. Increase lift
C. Control yaw
What happens when an aircraft exceeds its critical angle of attack?
A. It gains more lift
B. It enters a stall
C. It increases thrust
D. It decreases drag
B. It enters a stall
An aircraft with high stability will:
A. Be very easy to turn quickly
B. Resist changes and return to steady flight
C. Stall more often
D. Have no drag
B. Resist changes and return to steady flight