Question

Justify why bird flap its wing to fly higher?

Answer 1

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The answer is that the way a bird defies gravity is dictated by the shape and size of its wings. These fall broadly into four groups, each with its own specialism:

• Wings with slotted tips for passive soaring over land.

• Long, slender wings for soaring over water.

• Elliptical wings for short bursts of speed.

• Narrow wings, long in comparison to body size, for prolonged, high-speed travel.

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Answer 2

Answer:

It is because when a bird flaps as opposed to gliding its wings continue to develop lift as before but the lift is rotated forward to provide thrusts which counteracts drag and increases its speed which has the effect of also increasing lift to counteract its weight allowing to maintain height or to climb

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