NAME_________________________________ CLASS____________________ DATE____________
Access each location in Table 1 and note the indicated equation. (Hint: Most slides explain the variables of the equation.)
Perform a dimensional analysis on each side of the equations, reducing to fundamental units to verify validity. Table 2 is a chart of unit data and symbols to aid you in your work.
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Dynamic Pressure (middle term of the total pressure
equation) |
http://www.grc.nasa.gov/WWW/K-12/airplane/bern.html
Step #1.
Step #3. |
Force |
http://www.grc.nasa.gov/WWW/K-12/airplane/newton2.html Step #1: Step #2: Step#3: |
Force |
http://www.grc.nasa.gov/WWW/K-12/airplane/newton2.html Step #1: Step #2: Step#3: |
Velocity |
http://www.grc.nasa.gov/WWW/K-12/airplane/motion.html
Step #1: Step #2: Step#3: |
Displacement |
http://www.grc.nasa.gov/WWW/K-12/airplane/motion.html
Step #1: Step #2: Step#3: |
Lift equation |
http://www.grc.nasa.gov/WWW/K-12/airplane/lifteq.html
Step #1: Step #2: Step#3: |
Lift Coefficient |
http://www.grc.nasa.gov/WWW/K-12/airplane/liftco.html
Step #1: Step #2: Step#3: |
Velocity squared equation |
http://www.grc.nasa.gov/WWW/K-12/airplane/pitot.html
Step #1: Step #2: Step#3: |
Name |
Symbol |
Units |
Fundamental units |
Acceleration |
a |
m/s2 |
|
Area |
A |
m2 |
|
Displacement |
X, or X0 |
m |
|
Density |
r |
kg/m3 |
|
Force |
F |
n (newton) |
kgm/s2 |
Lift |
L |
n (newton) |
kgm/s2 |
Lift Coefficient |
Cl |
no units |
|
Mass |
m |
kg |
|
Pressure |
P, Pt, or Ps |
pa (pascals n / A ) |
kgm/s2 |
Time |
t, t1, or t0 |
s |
|
Velocity |
V, V0, or V1 |
m/s |
|