Is the Force to Peel Off Tape the Same as the Force to Drag the Surface?

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Discussion Overview

The discussion revolves around the forces involved in peeling adhesive tape from a surface, specifically comparing the force required to pull the tape directly off versus dragging the surface to peel the tape. The inquiry explores whether these two forces are equivalent.

Discussion Character

  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • One participant questions if the force to peel tape off a surface is the same as the force to drag the surface while the tape is adhered.
  • Another participant asserts that the forces would not be the same unless the pulling direction is exactly opposite.
  • A further reply emphasizes that the direction of the force is crucial, suggesting that pulling directly upwards on the tape differs significantly from pulling the surface horizontally.

Areas of Agreement / Disagreement

Participants do not appear to agree on whether the forces are the same, with differing views on the relevance of direction in determining the forces involved.

Contextual Notes

The discussion does not clarify the assumptions regarding the conditions under which the forces are measured, nor does it resolve the implications of different pulling directions on the forces involved.

jangheej
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Hi =)
I have a question about tape peeling.
An adhesive tape is sticked onto a surface.
1) You pull the tape off the surface
2) You drag the surface so that the tape is peeled off.
(see the attachment)

Will these two forces be the same?
so... if I want to measure the force necessary to remove a piece of adhesive tape,
then can I just measure the force necessary to pull the surface?
 

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  • f.jpg
    f.jpg
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No. They would be if you were pulling in exactly the opposite direction, however.
 
Take this to the limit. Imagine pulling directly upwards on the tape and compare this with pulling the surface horizontally. The two situations would clearly be different. The direction is clearly very relevant.
 
Last edited:

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