Homework: Statics
1.
Find a cable system that will support the mast shown below.
a. Assume a magnitude 8
earthquake.
b. Find the density of aluminum.
c. Use the internet to find a cable
supplier.
d. You should try to minimize the
mass of the cable to insure that the
weight of the cable does not affect
your answers.
2.
Find the glide slope angle for various angles of attack.
a. Use the aspect ratio (AR), and total wing area (2*S), of a typical Boeing 747.
b. For the drag coefficient at no lift ( C D0 ) use 0.05.
c. Use the density of air at sea level.
d. Plot glide slope angle vs. speed.
Some important equations are:
b2
AR 
S
2
CL 
2
1
AR
C D  C D0 
C L2
AR