2. Flight Mechanics

Trim And Linearization — Quiz

Test your understanding of trim and linearization with 5 practice questions.

Practice Questions

Question 1

In a steady climb at flight path angle $\gamma$, which force‐balance equation must be satisfied along the flight path for trim?

Question 2

Which axis system aligns the x‐axis with the relative wind and simplifies lift and drag in trim equations?

Question 3

For an aircraft of weight $W=6000\,\mathrm N$, wing area $S=20\,\mathrm m^2$, air density $\rho=1.225\,\mathrm{kg/m^3}$, and lift coefficient at trim $C_L=0.5$, what is the trim speed $V$ in m/s?

Question 4

Which mathematical method is used to derive the linearized small‐disturbance equations about a trim point?

Question 5

In the longitudinal small‐disturbance state vector $[u\;w\;q\;\theta]^T$, which state equation is purely kinematic?