12 Answers. But if you think about it, this short take off is very much like the car on the treadmill. With a parachute on, you can still hope to land safely, but jumping out of an aircraft without a parachute is obviously a last resort, so it should only be considered when there’s no other viable option of escape from an … Some model aircraft with good power to weight ratio can balance in the air pointing vertically. Keywords: air, gravity, plane; Asked by Libby to Maria on 14 Mar 2019. A lightly weighted aircraft can fly slower than a heavy one, but even flying just above stall speed you would need a headwind well over 100mph in order for a jet to be stationary with respect to the ground. Airplane lift, generated by each part of an aircraft, is a force that works in direct opposition to the weight of an aircraft. Top Answer. 10 Answers. Favourite answer. Chris H. Lv 6. Can an aeroplane stand still in air without flying? 0 3. If there’s no air to begin with, how in God’s name could you think of flying an airplane at that altitude? Airplanes are able to fly because air moving along the wings holds them up. thnkx. As the plane's engines move the wings forward, the air has to flow both over and under them. Relevance. Favourite answer . 0. There are certain things in the world that we know are true without the need for any explanation. In 1640, Evagelista Torricelli discovered that air has weight. Question: how can an aeroplane stay in the air without being pulled down by gravity? Yes an aeroplane can stay in air without any movement for some time only because aeroplane relies upon different air pressure to stay in the sky. A Boeing 737 or A320 can manage very roughly six hours, though there are variants that can go further. Favourite answer. In order to stay in the air, ... An object between the train and the plane (moving in opposing directions) would act as somewhat of a pivot point to your line of sight. Relevance. 3. For this to happen, the air must either compress or speed up where its flow narrows. Airplanes are in the atmosphere, even at cruising height, so in order to stay in the sky, they have to keep moving forward to get lift. First attested in English in the late 19th century (prior to the first sustained powered flight), the word airplane, like aeroplane, derives from the French aéroplane, which comes from the Greek ἀήρ (aēr), "air" and either Latin planus, "level", or Greek πλάνος (planos), "wandering". En-route or stooging around? An aircraft is a vehicle that is able to fly by gaining support from the air.It counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines.Common examples of aircraft include airplanes, helicopters, airships (including blimps), gliders, paramotors and hot air balloons. Flight can stay in the air without moving? An airplane can be stationary over the ground if the air is moving over the ground quickly enough. 0 0 Vernon Dudley Bohay-Nowell David Lentink Lab, Stanford University . The way air moves around the wings gives the airplane lift. Using this as a reference, would obfuscate the perception of horizontal motion. Answer Save. Bernoullies or aerodynamic lift acting upward. How do airplanes stay in the air? Harrier jump jet. Weight acting downward. Relevance. If a fast plane arcs upwards, there will be a point at which it is not passing air around the wings in a way that gives it lift, and at that point it stalls. Weight is the force that pulls the airplane toward Earth. Necoo. Yes they can, they ship them via plane everyday. Your question is really incomplete. Lift pushes the airplane up. When moving air encounters an obstacle—a person, a tree, a wing—its path narrows as it flows around the object. Answer Save. if so how long it is possible. Commercial airplanes cannot stay still in the air, but they can slow to just above stall speed, and the aircraft will look/feel like it is not moving. How birds stay in the air A new tool that measures the force needed to keep a bird aloft could spawn flying, flapping robots A Stanford University student trains a Pacific parrotlet to fly to a designated perch. Air is a mixture of different gases; oxygen, carbon dioxide and nitrogen. The Economist highlights how MIT researchers have developed the first plane that is powered by an ion drive and has no moving parts. Wiki User Answered . See Answer. 4. 2010-01-21 13:16:57. 2. Following is a transcript of the video. can passenger areoplane stay in the air without moving forward for a while? The limit initially was the amount of fuel that could be stored for the flight, but aerial refueling extended that parameter. Relevance. 1. Airplanes stay up in the air because of the aerodynamic force referred to as lift. Thrust acting upward. There are only a few, and the technology is difficult and costly to implement. How long can an aeroplane stay up in the air without refueling? Well, moving air is usually moving and still air is usually still! a true hover- airspeed is 0, and the aircraft is maintaing a fixed position over an object on the ground. 12 Answers. If the airspeed is strong enough, i.e. We take air travel for granted, whether for business or pleasure, but what actually keeps an aeroplane in the air? Air has power to push and pull on the birds, balloons, kites and planes. 1 decade ago. 1 decade ago. Can a plane stay on air without moving? The last resort. It can be a solo event, or multiple people can take turns piloting the aircraft, as long as all pilots remain in the aircraft. An aeroplane relies upon different air pressure to stay in the sky. They are lift, weight, thrust and drag. These small birds helped researchers measure the force needed to keep each flier aloft. Viscous forces opposing real motion. Flying machines like airplanes and choppers need lift to stay airborne, which is generated by air. Lv 5. Airplanes are built so that their weight is spread from front to back. A lot of long range jets like the 787 and A380 can go around 16 hours. Even so, the amount of air moving past any point at any given moment within the airflow is the same. When an airplane is airborne, why does it have to travel when it can just stay put at a safe distance above the earth, wait for the earth to rotate and then land when its destination landing nation is available. 7 8 9. Anonymous. This faster moving air creates a lower pressure above the wing which creates a 'lifting' motion as the high pressure below the wing wants to diffuse to the lower pressure. is it possible to stop a plane stay in air without any movement like helicopter do. There are a few--I mean like fewer than half a dozen--specialized designs that can take off and land vertically and hover like a helicopter. is it possible for an aeroplane to stay in air without moving?? “The use of an ion drive means the MIT craft contains no moving propulsion parts in the form of propellers or jet engines,” The Economist explains. 35 Answers. Air pressure is created by the molecules moving around. Moving air has a force that will lift kites and balloons up and down. Consider following vertical forces and thier resultant. Yes, it is possible. First off, let’s hope that such a scenario never arises. Asked by Wiki User. It has to do with the movement of air, which is typically referred to as a fluid in aerodynamic descriptions. Unlike satellites, no. An ordinary airplane (or aeroplane) must move forward at or above a certain speed to stay in the air. Answer Save. 8 years ago. The shape of the wings helps with lift, too. When a plane moves forward on the runway, the air that rushes past its wings goes a different path above and below the wing. This can be done in a lifesize aircraft just yet. For the wind conditions, the aircraft is still "flying" as the air is passing the over the wings, and will still have an true airspeed greater than the stall speed, but the ground speed is 0 or negative forward speed. Just as we know that 2+2 equals 4, rather than 5, we also know that Earth rotates on its axis all the time. The flight endurance record is the longest amount of time an aircraft of a particular category spent in flight without landing. Maria Walach answered on 14 Mar 2019: last edited 14 Mar 2019 2:05 pm Great question! Etymology and usage. Basically the wings are designed so that the air going over the top of the wings travels faster than the air going beneath the wing. We often think of air as being too thin and lightweight to exert much of a force, but for a fast aircraft with sufficiently large wings of a cleverly chosen shape, our atmosphere can do the job. Four forces keep an airplane in the sky. Without a headwind, this wouldn't happen. 1 decade ago. The spinning of the rotor keeps these blades/wings moving through the air, so they produce lift even if the rest of the helicopter is standing still. In short, air becomes increasingly thinner with increasing altitude, until the point when there is no air at at all; it is (almost) a vacuum up there. Warren D. 1 decade ago. This video explains how huge airplanes that weigh over 1 million pounds are able to fly in mid-air without falling. Helicopters can stay in one spot because their "wings" are the blades on their rotors, which spin constantly. “It can fly silently and without direct emissions from burning fossil fuels.” Answer Save. Favorite Answer. Wolfie. 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