In the direction of the flight path, the product of mass and acceleration of the vehicle is not the sum of which of the following forces?

A)
Propulsive
B)
Gravitational
C)
Aerodynamic
D)
Electromagnetic

Correct Answer :   Electromagnetic


Explanation : Propulsive, aerodynamic and gravitational forces are the major forces that contribute to the flight of an airborne vehicle. Propulsive forces include the thrust produced by the vehicle’s engine, while the aerodynamic forces include lift and drag forces.