(See Fluids in the News article titled "Walking on water") (a) The water strider bug shown in the figure below is supported on the surface of a pond by surface tension acting along the interface between the water and the bug's legs. Determine the minimum length of this interface needed to support the bug. Assume the bug weighs 5 x 10-4 N and the surface tension force acts vertically upwards. (b) Repeat part (a) if surface tension were to support a person weighing 640 N.

(See Fluids in the News article titled "Walking on water") (a) The water strider bug shown in the figure below is supported on the surface of a pond by surface tension acting along the interface between the water and the bug's legs. Determine the minimum length of this interface needed to support the bug. Assume the bug weighs 5 x 10-4 N and the surface tension force acts vertically upwards. (b) Repeat part (a) if surface tension were to support a person weighing 640 N.

Name: (See Fluids in the News article titled "Walkingon water".) (a) The wa
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Description: (See Fluids in the News article titled "Walkingon water".) (a) The water strider bug shown inthe figure below is supported on the surface ofa pond by surface tension acting along theinterface between the water and the bug's legs.Determine the minimu

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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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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Question

(See Fluids in the News article titled "Walking
on water".) (a) The water strider bug shown in
the figure below is supported on the surface of
a pond by surface tension acting along the
interface between the water and the bug's legs.
Determine the minimum length of this interface
needed to support the bug. Assume the bug
weighs 5 x 10-4 N and the surface tension force
acts vertically upwards. (b) Repeat part (a) if
surface tension were to support a person
weighing 640 N.
i
mm
m

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