How does a helicopter fly ? ( I need it explained in the view of physics)

because blades of helicopter create a high pressure difference between lower and higher portion of blade so due to this pressure difference helicopter became able to fly.

Explanation:

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iron would move it is magnetic there is a mag field around the current in the wire

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this