1. Describe simply what will happen to an airplane in flight in the following conditions:

Thrust greater than drag while lift equals weight
The Plane will accelerate forward.

Thrust equal to drag while lift is greater than weight
The plane will accelerate upward

Drag greater than thrust while lift is greater than weight

Weight greater than lift while thrust equals the drag
The plane will accelerate downward

Lift greater than weight and thrust is greater than drag

2. In order for an airplane to remain in level, steady flight, what must happen to the four forces?

3. Describe the relationship between the total lift, vertical component of lift and weight during the following maneuvers:

Aircraft banks at a constant altitude

After take-off, the aircraft executes a climbing turn

Aircraft is in a descending turn to align with the runway

4. If the mass remains constant and the force changes, what happens to the acceleration of an object?

5. If the force remains constant and the mass changes, what happens to the acceleration of that object?

6. What effect does air have on the acceleration of aircraft during flight?

Thrust greater than drag while lift equals weight, the Plane will accelerate forward.
Thrust equal to drag while lift is greater than weight, the plane will accelerate upward.
Drag greater than thrust while lift is greater than weight, the Plane will decelerate and about to land.
Weight greater than lift while thrust equals the drag, the plane will accelerate downward

2. In order for an airplane to remain in level, steady flight, the four forces must be equal in vertical and horizontal direction.

3. The relationship between the total lift, vertical component of lift and weight during the following maneuvers:

Aircraft banks at a constant altitude, the total lift and weight are equal and vertical component of lift is zero.
After take-off, the aircraft executes a climbing turn, total lift is greater than weight. The vertical component makes the lift possible.
Aircraft is in a descending turn to align with the runway, lift is less than weight. Vertical lift components has lesser value than the horizontal component.

4. If the mass remains constant and the force changes, the acceleration of an object changes.

5. If the force remains constant and the mass changes, the acceleration of that object changes.

6. The effect does air have on the acceleration of aircraft during flight is that it offers drag force.

Acceleration of an object is directly proportional to the force applied on that object.

a = F/m

An airplane has four force components acting on it, are Drag force, Thrust force, Lift and Weight force.

Lift must always be greater than weight. The Thrust and Drag must be equal to take off.

Thus, all the questions are answered.

Learn more about acceleration.

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