Aircraft Dynamics refers to the study of the forces and motions acting on an aircraft during flight. It involves understanding how an aircraft responds to various inputs, such as control surfaces and environmental factors like wind. Key concepts include lift, drag, thrust, and weight, which together determine the aircraft's performance and stability. The dynamics of an aircraft are influenced by its design, including shape and size, as well as its weight distribution. Engineers use mathematical models and simulations to predict how an aircraft will behave under different conditions, ensuring safety and efficiency in flight operations.