**Experimental Setup for Measuring Surface Tension**A sliding wire device used for measuring surface tension is depicted in the figure. The apparatus exerts a force to minimize the film's surface area. The force required to maintain the wire in position is given by the formula \( F = \gamma L = \gamma (2\ell) \), where \( \gamma \) represents the surface tension, and \( \ell \) is the length of the sliding wire. This formula accounts for two liquid surfaces attached to the wire. This force remains almost constant as the film is stretched until it nears its breaking point.**Diagram Description:**- The diagram illustrates a liquid film contained within a rectangular frame, with a movable wire forming one of the sides.- The force \( F = \gamma (2\ell) \) is shown acting horizontally on the wire, with arrows indicating the direction of force applied.- The side view highlights the two film surfaces connected to the wire.**Problem Statement:**Calculate the force (in N) on the sliding wire, given that \( \ell = 3.45 \) cm and the fluid is water at \( 0^\circ \text{C} \).(Note: To solve this, you need the value of surface tension \( \gamma \) for water at \( 0^\circ \text{C} \).)

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Description: **Experimental Setup for Measuring Surface Tension**A sliding wire device used for measuring surface tension is depicted in the figure. The apparatus exerts a force to minimize the film's surface area. The force required to maintain the wire in posi

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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(20), 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 the figure below if it is 3.45 cm long and the fluid is water at 0°C. Film surfaces XN Side view Wire F = y(2) 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(20), 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 the figure below if it is 3.45 cm long and the fluid is water at 0°C. Film surfaces XN Side view Wire F = y(2) e

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Fluid Pressure

The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.

Gauge Pressure

Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.

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**Experimental Setup for Measuring Surface Tension**

A sliding wire device used for measuring surface tension is depicted in the figure. The apparatus exerts a force to minimize the film's surface area. The force required to maintain the wire in position is given by the formula \( F = \gamma L = \gamma (2\ell) \), where \( \gamma \) represents the surface tension, and \( \ell \) is the length of the sliding wire. This formula accounts for two liquid surfaces attached to the wire. This force remains almost constant as the film is stretched until it nears its breaking point.

**Diagram Description:**

- The diagram illustrates a liquid film contained within a rectangular frame, with a movable wire forming one of the sides.
- The force \( F = \gamma (2\ell) \) is shown acting horizontally on the wire, with arrows indicating the direction of force applied.
- The side view highlights the two film surfaces connected to the wire.

**Problem Statement:**

Calculate the force (in N) on the sliding wire, given that \( \ell = 3.45 \) cm and the fluid is water at \( 0^\circ \text{C} \).

(Note: To solve this, you need the value of surface tension \( \gamma \) for water at \( 0^\circ \text{C} \).)

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