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?????????? ???? ????? ?? ? | How Helicopter Fly In Hindi

?????????? ???? ????? ?? ? | How Helicopter Fly In Hindi
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today in this video see about how helicopter fly in hindi lots of people wants know helicoter driving video top trending topic in india

In order to fly, an object must have “lift,” a force moving it upward. … A helicopter’s rotor blades are wings and create lift. An airplane must fly fast to move enough air over its wings to provide lift. A helicopter moves air over its rotor by spinning its blades.

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how does a helicopter stay in the air?
A helicopter remains stationary by balancing the external forces. There are no horizontal forces, as the helicopter is not moving left or right, so there is no drag or horizontal thrust. The blades generate a vertical lift, and when this is exactly balanced with the force of gravity, the helicopter remains stationary.

full explanation about how does helicopter rotor work in hindi

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