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That would be retractable landing gear. They're present on aircraft because retracting the landing gear makes the aircraft more aerodynamic by eliminating the drag which would be caused by having the gear permanently fixed or extended. This saves fuel and improves cruising speeds.
What else can I help you with?
Is a teeter tooter an inclined plane?
No, a teeter totter is not an inclined plane. It is a simple machine known as a lever, which rotates around a central fulcrum. When one end of the lever goes up, the other end goes down.
How do ailerons affect the airplanes altitude?
If the elevators are up, then the plain goes up but if they are down, the plane goes down.
What are the simple machines in a dolly?
lever, wheel and axle and sometimes inclined plane if you wheel it up a ramp
What is a compound machine that uses an inclined plane?
a wheel barrow. the part that holds stuff would be the inclined plane, the wheel would be a wheel and axle, and the part you pick up off the ground to make it go would be a lever
What percent of Americans have a fear of flying on an airplane?
According to the New York Times, up to forty percent of Americans have a fear of flying on an airplane. Aviophobia is the name given to a fear of flying. Some are only minor, and manage to get on a plane with medication, whilst others will not travel by plane.
What does the planes tail of the plane do?
It helps the plane balance. And on the planes tail it has two flaps on each side, and when these flaps go up it lifts the tail and the plane goes down, and when the flaps go down then then plane goes up.
Why does the landing gears have to go up when the plane is flying?
Because if they don't bring them up it causes turbulence for the aircraft and reduces the aerodynamics of the aircraft.
With which button do you fly the sea plane in vice city?
first press up arrow then 6 it will make sea plane goes upwards
Is a space shuttle more like a rocket or a plane?
its really both, it goes up like a rocket and comes down like a plane
What is an airport runway used for?
An airport runway is used for a plane when it goes up in the air and when it goes down on the ground. I would have to agree
Which is faster between a plane flying at an altitude of 6000 feet and a plane flying at an altitude of 15000 feet if they are both using the same amount of fuel?
The higher up in the atmosphere you are, the thinner the air and therefore the less the drag on the plane. Thus if both planes' engines are under the same power (using the same amount of fuel) the plane at the higher altitude will have a faster airspeed.
Is a wheel and axle a form of inclined plane?
No, a wheel and axle is a simple machine that consists of a wheel attached to a shaft. It works by rotating around its axis to transfer force or motion. In contrast, an inclined plane is a flat, sloped surface that allows objects to be moved up or down with less force.
