# Hacktivateed

## What causes the plane to lift?

Lift comes when the air below the airplane wing is pushing up harder than the air above it is pushing down. It is this difference in pressure that enables the plane to fly. Pressure can be reduced on a wing’s surface by making the air move over it more quickly.

## What control makes a plane go up and down?

The pilot controls the roll of the plane by raising one aileron or the other with a control wheel. Turning the control wheel clockwise raises the right aileron and lowers the left aileron, which rolls the aircraft to the right.

What is the force causes the plane to go upwards?

Weight is the force caused by gravity. Lift is the force that holds an airplane in the air. The wings create most of the lift used by airplanes.

### What keeps a plane upright?

The theory states that a wing keeps an airplane up by pushing the air down. Air has mass, and from Newton’s third law it follows that the wing’s downward push results in an equal and opposite push back upward, which is lift. The Newtonian account applies to wings of any shape, curved or flat, symmetrical or not.

### Why do planes stop in mid air?

Why do planes stop in mid air? No a plane doesn’t stop in midair, planes need to keep moving forward to remain in the air (unless they are VTOL capable). VTOL means vertical takeoff and landing. It essentially means they can hover in place like a helicopter.

Can a plane fly with one wing?

No, an airplane cannot fly with only one wing. With only one wing, the weight is shifted to one side of the plane. This makes it impossible to balance. There have been instances in history where pilots had to improvise when their planes lost one of their engines.

## What are the 4 fundamentals of flight?

The four fundamentals (straight-and-level flight, turns, climbs, and descents) are the principle maneuvers that control the airplane through the six motions of flight.

## What happens if the plane has too much weight and not enough lift?

Effects of Weight An overloaded aircraft may not be able to leave the ground, or if it does become airborne, it may exhibit unexpected and unusually poor flight characteristics. If not properly loaded, the initial indication of poor performance usually takes place during takeoff.

Why can humans not fly?

Humans are not physically designed to fly. We cannot create enough lift to overcome the force of gravity (or our weight). Their light frame and hollow bones make it easier to counteract gravity. Air sacs inside their bodies make birds lighter, which enables smoother motion through air.

### Can an emergency door be opened in flight?

While the news never fails to report these events, it seldom mentions the most important fact: you cannot open the doors or emergency hatches of an airplane in flight. You can’t open them for the simple reason that cabin pressure won’t allow it. An open door would create a catastrophic “explosive decompression”.

### Can a plane reverse?

Direct answer to your question: No, the engines do not reverse. However, there is thrust reverse on most jetliners to help the deceleration by this deflected air. John Cox is a retired airline captain with U.S. Airways and runs his own aviation safety consulting company, Safety Operating Systems.

Can an airplane stop in the air?

No a plane doesn’t stop in midair, planes need to keep moving forward to remain in the air (unless they are VTOL capable). What it can do is simply turn around or go over/under the obstruction. VTOL means vertical takeoff and landing. It essentially means they can hover in place like a helicopter.

## What makes a plane go up in the air?

As it flies, a plane is in the center of four forces. Lift (upward force) and thrust (forward push, provided by a propeller) get a plane into the air.

## What causes an airplane to roll to the left or right?

This causes the airplane to roll to the left or right. To turn the airplane, the pilot uses the ailerons to tilt the wings in the desired direction. The Elevator Controls Pitch On the horizontal tail surface, the elevator tilts up or down, decreasing or increasing lift on the tail. This tilts the nose of the airplane up and down.

Why does the bottom of an airplane deflect the air?

Because air is a fluid (a gas), both the top and the bottom surface of the wing deflect the air. This is very different than dealing with solid pellets for which only the bottom surface would deflect. The faster an airplane travels the more lift is generated. Inclining the wing to the wind also produces more deflection and more lift.

### What causes an airplane to rotate about its center of gravity?

The change in lift created by deflecting the elevator causes the airplane to rotate about its center of gravity. The pilot can use this ability to make the airplane loop. Or, since many aircraft loop naturally, the deflection can be used to trim or balance the aircraft, thus preventing a loop.