Free UAG Aerodynamics Questions and Answers

Question 1

What is the primary force that opposes the weight of an unmanned aircraft in flight?

Accepted Answer

Lift

Answer

Drag

Answer

Thrust

Answer

Gravity

Question 2

How does increasing the angle of attack affect the lift generated by an unmanned aircraft's wing?

Accepted Answer

It increases lift up to a certain point

Answer

It decreases lift

Answer

It has no effect on lift

Answer

It only affects drag

Question 3

What is the term for the point at which the airflow over an unmanned aircraft's wing becomes turbulent and separates from the surface, causing a sudden loss of lift?

Accepted Answer

Critical angle of attack

Answer

Mach number

Answer

Reynolds number

Answer

Drag coefficient

Question 4

In unmanned aircraft, what effect does an increase in airspeed have on the dynamic pressure exerted on the wings?

Accepted Answer

It increases dynamic pressure

Answer

It decreases dynamic pressure

Answer

It has no effect on dynamic pressure

Answer

It only affects static pressure

Question 5

What aerodynamic principle explains the lift generation due to the pressure difference above and below an unmanned aircraft's wing?

Accepted Answer

Bernoulli's principle

Answer

Newton's third law of motion

Answer

Archimedes' principle

Answer

Pascal's law