Question

How does a bird fly in air ?​

Answer 1

“When a bird is flying, their wings are flat so that the air flows easily around it in the direction the animal flies (like your hand cutting through the water or air).

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Answer 2

Birds accelerate ('a') the mass of air flown through (‘m’) to generating a downward force (F = ma). The ‘equal & opposite’ upward force created pushes the bird up. It’s simple; air goes down and the bird goes up. Importantly, birds circulate air to achieve buoyancy and fly. This helps explain why hovering is so inefficient. In contrast, current theories explain bird flight using vortices or fluid mechanics. This analysis is significant as it provides new insight into flight.

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