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Why are airplane flaps not used at cruising speeds?
Because although flaps create extra lift they also produce a lot of extra drag which makes the plane inefficient.
Explain tow different ways to change the drag on the plane?
you eat it
Air rushing against a plane is an example of what kind of friction?
Drag.
What are the forces of a plane flying at a steady height?
Thrust, drag, lift, and weight.
Why drag increases as lift increase - for helis?
The production of lift creates induced drag. To create more lift, more airspeed is needed, and with airspeed, comes drag.
What is the flape on the plane and how do they help the plane?
the flaps on a plane increase drag and they create lift so the piolt can fly the plane at a lower speed.
Why is the elevator is a good example of an inclined plane?
Why is the elevator a good example of an inclined plane?
Is a elevator an inclined plane?
No it's not.
What does an elevator on a plane do?
An elevator on a airplane are tabs on the tail that control its up and down motion in the air
What is drag on a plane?
drag is minimized by aerofoil shape. drag is a force acts on aircraft to minimize speed
A streamline plane is one that has little what?
Drag
Is an elevator a good example of an inclined plane?
no, inclined planes are ramps
Why are airplane flaps not used at cruising speeds?
Because although flaps create extra lift they also produce a lot of extra drag which makes the plane inefficient.
When an elevator on an airplane is up does the tail move down or up?
The plane follows the arc of the elevator and moves up when the elevators are up.
Do the flaps on a plane affect how fast the plane flies?
yes. the flaps increase drag which slows the plane down.
What did the wrights brothers use to propel their plane through the air?
They use the elevator and the elevator chain and cogs . The wright brothers use the elevator control lever to keep its balance in the air.
What causes drag on an airplane?
Two things: first, friction between the outside of the plane and the air it's passing through. Second, turbulence in the air will drag on the plane.
