hardlift
Circulation theory (Kutta-Joukowski) states that lift per unit span equals:
A
L = CL × ½ρV² × S
B
L' = ρ × V × Γ (density × velocity × circulation)
C
L = m × g
D
L = F × d
Checking member access
One moment while we confirm your plan so paid members never see checkout by mistake.
Checking member access before showing upgrade options
Keep practising
Take a timed quiz with random questions, or estimate your training costs.