Final answer:
The left wing on a Cessna 172 is not a mirror image of the right wing due to aerodynamic considerations.
Step-by-step explanation:
In the context of physics, the left wing on a Cessna 172 is not a mirror image of the right wing. The statement you mentioned about positive and negative charges on the wings refers to electrostatics, which is not applicable to the structure of the wings themselves.
The structure of the wings, including their shape, size, and aerodynamic features, is intentionally designed to be identical to ensure balanced lift and flight stability. Any differences in the wings would cause asymmetry, leading to undesirable effects during flight.
Therefore, the left and right wings of a Cessna 172 are nearly identical in terms of their physical characteristics, with the exception of minor manufacturing tolerances and potential modifications made by individual aircraft owners.