What is the key difference between static thrust and dynamic thrust?

Static thrust refers to the thrust generated by an aircraft's engine when it is not in motion—specifically, while the aircraft is stationary and on the ground. When the engines are spooled up and producing thrust without any forward movement, this is classified as static thrust. It's particularly important during the takeoff phase, as it helps the aircraft to overcome its weight and initiate the takeoff roll.

In contrast, dynamic thrust occurs when the aircraft is in motion. It is generated when the aircraft moves forward and the engines continue to provide thrust, allowing the aircraft to accelerate and climb.

Understanding the context of static and dynamic thrust is crucial for pilots and engineers, as it impacts various flight parameters, such as performance during takeoff, landing, and in-flight maneuvers.