Exercise 1 Flashcards
Forces
1
Q
The downward force of attraction between the aeroplane and the earth is called the _____ .
A
Weight
2
Q
The force produced by the wings which supports the aeroplane in flight is called the _____ .
A
Lift
3
Q
The force produce by the engine-propeller is called the ___ .
A
Thrust
4
Q
The force that resist the motion of the aeroplane through the air is called the ___ .
A
Drag
5
Q
In straight and level cruising flight the aeroplane is in equilibrium, with the weight balanced by the ___, and the drag balanced by the ____ .
A
Lift, Thrust
6
Q
The lift force is generally much (greater/smaller) than the drag force in flight.
A
Greater
