Does air resistance have a max value?

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Discussion Overview

The discussion revolves around the concept of air resistance in the context of free-falling objects. Participants explore whether air resistance has a maximum value, particularly in relation to the forces acting on an object in free fall and the conditions under which terminal velocity is reached.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • Some participants note that friction has a maximum value, leading to the question of whether air resistance behaves similarly in free fall.
  • Others argue that static friction is dependent on the normal force and suggest that while there may not be a theoretical limit to air resistance, practical limits could exist based on materials.
  • It is mentioned that an object in free fall reaches terminal velocity when the weight force is balanced by the drag force, which is identified as air resistance.
  • The drag coefficient's dependency on the shape and orientation of the object is highlighted as a factor influencing air resistance.

Areas of Agreement / Disagreement

Participants do not reach a consensus on whether air resistance has a maximum value, as the discussion includes differing perspectives on the nature of air resistance and its relationship to weight and drag forces.

Contextual Notes

The discussion is constrained to atmospheric conditions and does not resolve the implications of varying drag coefficients based on object shape and orientation.

r4g3r4hk
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I know that friction on a surface has a maximum value. When an object is pushed with a force greater than the maximum friction value, the object will move.
But when a free-falling object falls from a height, does air resistance have a maximum value as well?
 
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r4g3r4hk said:
I know that friction on a surface has a maximum value. When an object is pushed with a force greater than the maximum friction value, the object will move.
That's an odd way to view it. Static friction is a function of the normal force. There is no theoretical limit, only practical/materials limits.
But when a free-falling object falls from a height, does air resistance have a maximum value as well?
By constraining the scenario to [atmospheric, I assume] free fall, you are defining the drag limit to be equal to the weight of the object.
 
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Thanks for the replies! I believe I understand now.
 
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