A sliding wire device used for measuring surface tension is shown in the figure below. The device exerts a force to reduce the film's surface area. The force needed to hold the wire in place is F = yL = y(21), since there are two liquid surfaces attached to the wire. This force remains nearly constant as the film is stretched, until the film approaches its breaking point. Calculate the force (in N) on the slide wire in the figure below if it is 3.55 cm long and the fluid is water at 100°C. Film surfaces X N Side view Wire F = y(2²) e

A sliding wire device used for measuring surface tension is shown in the figure below. The device exerts a force to reduce the film's surface area. The force needed to hold the wire in place is F = yL = y(21), since there are two liquid surfaces attached to the wire. This force remains nearly constant as the film is stretched, until the film approaches its breaking point. Calculate the force (in N) on the slide wire in the figure below if it is 3.55 cm long and the fluid is water at 100°C. Film surfaces X N Side view Wire F = y(2²) e