#4 Aerodynamic forces
=Thrust, Drag, Lift, Weight

ex)The four forces acting on an airplane in flight are
Lift, Weight, Thrust, and Drag

#Unaccelerated Flight
=Not changing speed and direction

ex)When are the four forces that act on an airplane in equilibrium?
During unaccelerated flight.

#In Equalibrium during unaccelerated Flight
Thrust=Drag
Lift=Weight

#Straight and level Flight

Thrust=Drag
Lift=Weight