Forces on a constrained party balloon

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To estimate the forces between a constrained party balloon and the straw it's glued to, one should first determine the PSI (pounds per square inch) of the inflated balloon. Next, calculate the area of the contact surface where the balloon is bonded to the straw in square inches. Dividing the PSI by the area will yield the force in pounds at the point of contact. This method provides a basic approach to understanding the forces involved in this unique setup. Accurate measurements of PSI and the contact area are essential for reliable calculations.
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Hi, A party balloon is glued onto an straw. The user inflates the balloon by blowing through the straw. However, the balloon is constrained due the presence of a rigid wall just beyond it (causing the balloon to expand upwards or backwards towards the person inflating it!). I would like to know if it is possible to estimate the forces between the balloon and the straw (at the point of gluing).

Strange question, I know.
 

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I'd start by knowing the PSI. then I would find the area of the bonded contact surface in square inches.

Then I would divide PSI by square inches to get pounds. That number in pounds would be the force.

Just a guess.
 

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