WorksheetsM8.3 Steady-state flight
Total questions: 10
Worksheet time: 10mins
In equilibrium, what is the relationship between lift and weight?
Lift is greater than weight.
Lift is less than weight.
Lift equals weight.
Lift is unrelated to weight.
What is the sum of the vertical forces in equilibrium?
Greater than zero
Less than zero
Zero
Unrelated to zero
What is the sum of the horizontal forces in equilibrium?
Greater than zero
Less than zero
Zero
Unrelated to zero
What is the product of lift and the distance between the Centre of Gravity (CG) and the Centre of Pressure (CP) known as?
Drag force
Pitching moment
Thrust force
Lift coefficient
What changes with the angle of attack affecting the pitching moment?
The aircraft's color
The lift force and the position of the centre of pressure (CP)
The aircraft's altitude
The engine power
What happens to the lift when the angle of attack is increased beyond the critical angle?
Lift becomes unrelated to the angle of attack.
Lift remains constant.
Lift decreases and the aircraft stalls.
Lift increases indefinitely.
In equilibrium, what is the relationship between thrust and drag?
Thrust equals drag.
Thrust is less than drag.
Thrust is unrelated to drag.
Thrust is greater than drag.
What is the effect of increasing the angle of attack on the lift coefficient before reaching the critical angle?
The lift coefficient decreases.
The lift coefficient increases.
The lift coefficient remains constant.
The lift coefficient becomes zero.
In equilibrium, what is the relationship between the sum of moments about the center of gravity?
Unrelated to zero
Zero
Less than zero
Greater than zero
What happens to the drag force when the speed of the aircraft increases?
Drag force remains constant.
Drag force decreases.
Drag force becomes zero.
Drag force increases.
