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2.lift makes it go upward .
3.Thrust thrust gives a plane it the force to go front.
4.Drag is caused by friction and helps the lift go upward. how do air planes fly air planes wings need three things to fly it needs to be hard curved and smooth. concept of force Since force is the fundamental concept of Dynamics, we must give a clear definition of this concept before we proceed with Newton's Laws. A force is defined (very practically) as a push or a pull. Of course, we experience forces all the time in everyday lives. concept of preesure Pressure is an effect which occurs when a force is applied on a surface. concept of gravity force gravity is a force that keeps on the ground and if you throw a ball in the air it will come bcak down concept of lift force lift force is the force against the wieght of the plane that keeps the plane in the air. concept of friction friction force happens when two objects rub together and makes heat and may give static electricity. concept of thrust thrust is a reaction force second and third law third law speed and accelerated mass in one direction the accelerated mass will cause a proportional but opposite force on that system. As a wing moves through air, the air is split and passes above and below the wing. The wing’s upper surface is shaped so the air rushing over the top speeds up and stretches out. This decreases the air pressure above the wing. The air flowing below the wing moves in a straighter line, so its speed and air pressure remain the same. AILERONS ailerons are flaps at the end of every wing the make the plane turn if the pilot moves the stick left then the left wing will go down and the right will go up the plane will turn left. ELEVATOR Elevators are at the end of the tail it helps the plane to dip or fly up example if the elevator goes down then the plane goes down if the elevator goes up the the plane goes up Rudders rudders helps the plane move through the y axis (left or right) and turning. Pressure is an effect which occurs when a force is applied on a surface. Concept of Balanced Forces and Gravity Center How does lift, propulsion, and stability of a plane work? Propulsion: Propulsion moves things like spacecraft or jet planes forward by pushing something out of the back. Think of a balloon that you blow up and then release. The air rushing out of the back pushes the balloon forward. stability keeps the plane in the air because of lift.