GATE_AE_2027_MOCK_03_Q22
GATE 2027 Aerospace Engineering All-India Master Mock 03 (Flight Dynamics, Controls & Space Trajectories)
NAT · 1 Mark
Flight Mechanics & Space Dynamics • Atmospheric Flight Mechanics • Level Flight, Thrust & Power Required
An aircraft of weight W = 40 kN flies in steady level flight at speed V = 100 m/s with lift-to-drag ratio L/D = 16. What is the thrust required T_R in kN?
Answer Key:
2.5
Step-by-Step Verified Solution
### Solution: In steady level flight, L = W and T_R = D. T_R = W / (L/D) = 40 kN / 16 = 2.5 kN. Correct: 2.5.