What does weight act through in an aircraft?

Weight acts through the center of gravity in an aircraft because the center of gravity represents the point where the total weight of the aircraft is considered to act. This point is crucial for maintaining the balance and stability of the aircraft during flight. When the aircraft is balanced around its center of gravity, it ensures that the forces acting on the aircraft, including lift and drag, are managed effectively, thereby enhancing its performance and control.

The center of gravity is determined by the distribution of the aircraft's weight, including the fuselage, wings, tail, and any cargo or fuel on board. When an aircraft is loaded, understanding the position of the center of gravity allows pilots and engineers to make decisions that maintain proper weight distribution, which is essential for safe operation. Managing the center of gravity also aids in controlling pitch and overall flight dynamics, making it a fundamental concept in aviation.