What is the primary difference between lift and weight in flight dynamics?

What is the primary difference between lift and weight in flight dynamics?

• A. Lift is the aerodynamic force acting perpendicular to the relative wind that supports the vehicle, while weight is the gravitational force acting downward toward the planet's center.
• B. Lift and weight are the same force under steady flight.
• C. Lift acts downward and weight acts upward.
• D. Lift is the thrust produced by engines while weight is the mass times gravity.

Answer: (A)