the 4 forces of lift
lift,drag,thrust,weight
Lift
Lift is the force that acts at a right angle to the direction of motion through the air. Lift is created by differences in air pressure.
Drag
Is the force that acts opposite to the direction of motion.Drag is caused in friction and differences in air preassure.
Thrust
The force that propels flying machines in the direction of motion. Engines produce thrust.
Weight
The force of gravity.It acts in a downward direction toward the center of the earth.