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Explain how a helicopter lifts itself up, from a Newton's 3rd Law perspective,
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Explain how a helicopter lifts itself up, from a Newton's 3rd Law perspective,

User Ajay Pandya
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When a helicopter engine spins the main rotor, it generates torque (see How a Helicopter Works), an equal and opposite reaction. Torque makes it so that the engine itself wants to spin.
User Anthony D
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