NAME_________________________________ CLASS___________________ DATE____________

- Identify each letter in the lift equation and list acceptable
units for each quantity.
L = __________________________________

Cl = __________________________________

rho = __________________________________

V = __________________________________

A = __________________________________

- Open the web page (http://en.wikipedia.org/wiki/Boeing_747), or use a search engine
and look
up the Boeing 747. What is its wing area?
____________________
- If the Boeing 747 above is cruising at 940 km/h, the density
of the air is 1.20 g/L, and the lift coefficient is 1, what is the
lift ? __________________
- Use the Web page
(http://en.wikipedia.org/wiki/Boeing_777), or a search engine
to find
the Boeing 777. What is its wing area? ___________
- If the Boeing 777 is cruising at the same velocity under the
same conditions as the 747 above, what is its lift?
__________________
- Look up the DC-8 at
(http://en.wikipedia.org/wiki/DC-8), or use a search engine.
. What is
its wing area? ___________
- What is the DC-8's cruising velocity? _________________
- If the air density is 1.26 g/L and the lift coefficient is
1.5, what is the lift of the DC-8? _________________
- Find the F/A-18A Hornet at
(http://en.wikipedia.org/wiki/F-18), or use a search engine.
What is
its wing area? ___________
- What is the F/A-18A's lift while it flies at 700 mph, the air density is 1.31 g/L, and the lift coefficient is 1.8? _________________