The propeller blades are angled in the opposite direction, sort of like an airplane flying on its back. Of course, the propeller's blade twist from hub to tip is inappropriate, and the camber of the airfoil is wrong when thrust is reversing, but efficiency of the propeller is not of paramount importance during that phase of operation.
They rotate and produce forward movement through thrust.
Sort of. Some planes can reverse the thrust of their engines. Propeller aircraft can change the pitch of their propellers so it can "bit" more air. Some can be reverses in pitch so that it is provide zero thrust.
Reverse pitch propellers allow the propeller blades to rotates to an angle that produced thrust in the opposite direction direction of flight. This allows propeller driven aircraft to stop faster than they would with braking alone.
Yes they can
that is a fine answer
They propel the aircraft by propellers or jet thrust.
Thrust. The pull of the propellers, the push of the jet engine, the pull of gravity.
maximum thrust is obtained.
You can set the thrust idle point, which means that if you pull the levers back beyond that your get reverse thrust.
If you are moving forward, the propellers are pushing it, if you are moving in reverse, the propellers are pulling it.
The physics concepts of a propeller is that a props generate the thrust force that pulls a machine into the air. It also has aerodynamic properties that spins the propeller.?æ?æ
Many propeller airplanes have variable pitch propellers, these can be set to a reverse pitch which allows the aircraft to back up on the ground and can also be used to help an aircraft slow down once it has landed on the runway. On a jet there is reverse thrust, which is a deflector(s) which when engaged forces the jet thrust forward past the outside of the jet engine. This also allows a jet to back up on the ground and can be used to slow down a jet once it has landed.