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Aim
Theory
Pretest
Procedure
Simulation
Posttest
References
Contributors
Feedback
Lift and Drag
Choose difficulty:
Beginner
Intermediate
Advanced
The drag force is given by
a:
C
D
ρ
U
2
2
C_D \frac{\rho U^2}{2}
C
D
2
ρ
U
2
Explanation
Explanation
b:
C
D
A
ρ
U
2
2
C_D A \frac{\rho U^2}{2}
C
D
A
2
ρ
U
2
Explanation
Explanation
c:
C
D
A
r
h
o
U
2
C_D A \\rho U^2
C
D
A
r
h
o
U
2
Explanation
Explanation
d:
ρ
U
2
2
\frac{\rho U^2}{2}
2
ρ
U
2
Explanation
Explanation
The lift force is given by
a:
C
L
A
ρ
U
2
2
C_L A \frac{\rho U^2}{2}
C
L
A
2
ρ
U
2
Explanation
Explanation
b:
C
L
A
ρ
U
2
C_L A \rho U^2
C
L
A
ρ
U
2
Explanation
Explanation
c:
ρ
U
2
2
\frac{\rho U^2}{2}
2
ρ
U
2
Explanation
Explanation
d:
C
L
ρ
U
2
C_L \frac{\rho U}{2}
C
L
2
ρ
U
Explanation
Explanation
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