The rotation of the blades increases the velocity of the air above the helicopter reducing the pressure under it due to low velocity. This pressure difference exerted of the surface of the helicopter produces a lift force and thus takes off.
chrispohmomanyi answered the question on September 27, 2017 at 07:59
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Date posted: September 27, 2017. Answers (1)
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place on the mark. The microscope is then adjusted...(Solved)
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Date posted: September 26, 2017. Answers (1)
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Date posted: September 26, 2017. Answers (1)
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Date posted: September 25, 2017. Answers (1)
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