Flight Simulator Video

Which of the following are the four fundamental forces that act upon an airplane?

• Lift, Gravity, Thrust, Drag

• Lift, Weight, Thrust, Drag

• Lift, Weight, Speed, Drag

• Lift, Gravity, Speed, Thrust

When an airplane accelerates in straight and level flight, what is the relationship between thrust and drag?

• Thrust is less than drag.

• Thrust is equal to drag.

• Thrust is greater than drag.

• Thrust and drag are unrelated.

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In an unaccelerated climb, what is the relationship between lift and weight?

• Lift is greater than weight.

• Lift is less than weight.

• Lift is equal to weight.

• Lift and weight are unrelated.

During the initial phase of takeoff, as an aircraft accelerates down the runway before lifting off, what is the relationship between lift and weight?

• Lift is greater than weight.

• Lift is less than weight.

• Lift is equal to weight.

• Lift is momentarily zero.