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What are needed to spread out the wings when the birds fly?
Birds use their wing muscles to spread out their wings when they are ready to fly. Birds use thermal air currents, updrafts, and wind to soar and flap their wings when needed.
How birds move?
Birds fly in the air by pushing their chest muscles and moving their wings up and down.
Do animals live in the air?
birds,bats, insects, animals with wings
Give an example of newton's second law?
Ex:- Flying gracefully through the air, birds depend on Newton's third law of motion.As the birds push down on the air with their wings, the air pushes their wings up and gives them lift.
Why the birds and aeroplane are not pulling by gravitational pull of earth?
Because upthrust is greater than gravity, therefore, it stays in the air. Also, the power of the engines/wings hold them up.
Are kiwis birds ground or air birds?
Kiwis have only tiny, rudimentary wings. They are completely ground-dwelling.
How do birds' wings work?
the birds wings are shaped just right so that air gets under them creating a lower air pressure underneath when they flap. so they fly forward.
How is lift generated in a birds wing?
When in flight, birds flap their wings to push air beneath them. By pushing the air down, they are propelling themselves upwards.
How are the wings on a bird different from wing from airplane?
A bird creates lift by flapping its wings Aircraft move by the air moving over the wings (where as birds move by moving their wings around the air)
How do birds move in the air and on the ground?
Birds move in the air by flapping their wings to generate lift and propel themselves forward. On the ground, birds walk or hop using their legs and feet.
Why do birds push the air downwards with their wings?
so they can gain lift so they can fly
How do birds use propulsion?
Two main factors help birds fly: their own strength and propulsion. Birds use propulsion by turning their wings, lifting them upward, then turning them downward. As they lift the wings, air pushes up from below and pushes the bird forward.
