I would say that's correct.
unbalanced
AN airplane traveling @ a constant speed. It's air friction is balanced by the applied force of it's engine.
Lift can be a balanced force or an unbalanced force. If it is balanced, the airplane will remain at the same altitude. If it is unbalanced, the plane will either rise or fall depending upon the direction of the imbalance.
a hard landing
Almost every aspect of an airplane landing is managed by computer. The most important aspect is decelerating the airplane so the brakes and landing gear can stop the plane.
landing the airplane
balanced force is when things are balanced.
The pilot and the co-pilot are responsible for landing the airplane.
Drag is the force that slows down a plane. Drag may be caused by air friction. It may also caused by non-retractable landing gears.
shuem
All aircraft are affected by gravity; so is everything else. The aircraft are able to fly because the force of the lift generated by the airflow over the wings is balanced by the weight of the airplane.
A balanced force will have a net force that is equal to 0. A balanced force will have an opposing force of equal magnitude of the largest force.
Depends on the speed of the airplane and the landing delays.