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Assume a balloon material with a constant surface tension
Chapter 3, Problem 207HP(choose chapter or problem)
Problem 207HP
Assume a balloon material with a constant surface tension of s = 2 N/m. What is the work required to stretch a spherical balloon up to a radius of r = 0.5 m? Neglect any effect from atmospheric pressure.
Questions & Answers
QUESTION:
Problem 207HP
Assume a balloon material with a constant surface tension of s = 2 N/m. What is the work required to stretch a spherical balloon up to a radius of r = 0.5 m? Neglect any effect from atmospheric pressure.
ANSWER:
Solution 207 HP
Step 1 of 2
We have to find the work required to stretch a spherical balloon up to a radius of r = 0.5 m.
The work required to stretch a spherical balloon up to a radius is given by
Where,
Surface tension = 2 N/m
change in the area in m2