Question

An aeroplane is able to fly because A. It is lighter than air B. It is heavier than air C. It is made up of very light material D. Moving air can lift objects​

Answer 1

Answer:

ਕਾਸ਼ ਥੋਨੂੰ ਹੈਲਪ ਕਰੋਗਾ। ਆਈ hope

Answer 2

Answer:

D. Moving air can lift objects​

Airplanes are Heavier then than air.

They must find some way to push air or gas downwards so that a reaction occurs (by Newton's laws of motion) to push the aircraft upwards. To fly, air must flow over the wing and generate lift.

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