Physics of flight of birds and aerospace

Humans dreams to fly
It was the ancient dream of human to fly into sky just like. To make the dream in reality human tried several time in several period from thousands years ago. But every step of the experiment went to dust with results of injuries and broken bones. They made wings and bound with two arms and tried to fly. But they failed. Because to fly there need more things that is more important from wings. There have a role of physics to fly.

Who can fly?


Most of the birds are able to fly. Not only bird some insects can fly. In generally, the animals that have wings wings are seen to capable to fly.

 The mysterious of birds flight in concentrated into a physics theorem. The modern physics shows us that to fly there need more important things than the weight. Lighter weight is very important part to fly. In birds flying there have another role of physics besides of the lighter weight of birds.

Birds flight is somewhat similar with the swimming. How we able to swim? Archimedes law of physics shows us that how we can swim. In this case Archimedes blamed to the density. If the density

The physical shape of bird allows birds to fly. When birds expands there wings there found two different shape of the upper surface of the wing and the lower surface of the wing. The upper surface allows airs to faster flow over the upper surface. On the other hand the lower surface of wings allow air to flow comparatively low speed. Hence the density of the air at the lower side of birds wings are very high. On the other hand  the density of air on the upper surface of wings is comparatively low. Hence the air of the lower portion creates more pressure to lift. In this way the higher air pressure allow birds to fly easily. Same mechanism helps birds to move forward during flight.

Flight of aerospace and the flight of bird


Same mechanism and engineering of physics is appropriate in both two case. What mechanism is required to flight of bird, same mechanism is applied to flight of aerospace. It is a function of air flow. 

Just think what exist surrounding us? What we see empty surrounding us with our visual eye, is exactly not empty. There have a full of air. The air creates pressure on us. If we through an object into space, there happens different air pressure on the objects. objects faces pressure of air from all sides.

Another forces of universe does not allow to objects to go away continuously to upward and make it to return back to the earth. That is force of gravity. In order to remaining stable existence in space there required a force that is opposite direction of gravity and that must have to be sufficient force that can avoid the force of gravity. In this case pressure of the air from lower side of the object can minimise the force of gravity. But there also have another force that also increase the probability of return back of the object to the earth. That is air pressure from the upper side of the objects. But If applying any mechanism if it possible to reduce the air pressure of upper side than the air pressure of lower side then the object will lift upward.

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