Helicopter Forces: What Force Keeps Helicopter Aloft?

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Homework Help Overview

The discussion revolves around understanding the forces acting on a helicopter, particularly what keeps it aloft while carrying a suspended object. The subject area includes concepts from physics related to forces and motion.

Discussion Character

  • Exploratory, Conceptual clarification

Approaches and Questions Raised

  • The original poster questions the role of forces, specifically whether a normal force from the rotors exists to support the helicopter's weight. Participants explore the function of the rotors and the forces they generate, referencing Newton's Third Law in the context of action and reaction.

Discussion Status

The discussion is active with participants providing hints and prompting further exploration of the concepts involved. There is an emphasis on understanding the relationship between the rotors and the air, as well as the implications of these forces.

Contextual Notes

Participants are navigating the complexities of force interactions without a complete resolution, focusing on the foundational principles of physics that govern helicopter flight.

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In a free-body diagram of a helicopter carrying a suspended object, what force exists to keep the helicopter aloft? Is there a normal force from the rotors? Any help would be appreciated.
 
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Hint: What is the purpose of the rotors? What force to they provide?
 
Last edited:
while the rotors rotate, they apply a force on the air. What does an object do to you when you apply a force on it?
 
If blades push air then...

(Newton's Third Law)
 

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