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YouTubeScience ABC
How Does A Helicopter Work: Everything You Need To Know About Helicopters
A helicopter works on the principle of aerodynamic lift - an upwards force that opposes the weight of the helicopter and holds it the air. So how exactly do the rotors of helicopters help them fly? For any object to fly in the air, it must have the force of lift pushing it upwards, but for that to happen, the air must pass around an airfoil. In ...
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An Indian Army helicopter undertook a high-risk rooftop rescue on Wednesday moments before a riverside building in Madhopour was about to collapse. After the building partially crumbles, the helicopter returns to save others once it settled. Twenty-two officers from India's Central Reserve Police Force and three civilians were reportedly rescued during the operation. "Risking their own lives, the soldiers ensured that every single stranded person was lifted to safety,” the army said. The rescue
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An Indian Army helicopter undertook a high-risk rooftop rescue on Wednesday
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