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# Describe body forces and surface forces, and explain how

ISBN: 9780071284219 39

## Solution for problem 4P Chapter 6

Fluid Mechanics | 2nd Edition

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Problem 4P Problem 4P

Describe body forces and surface forces, and explain how the net force acting on control volume is determined. Is fluid weight a body force or surface furce? How about pressure?

Step-by-Step Solution:
Step 1 of 3

Problem  4P

The body forces and surface forces acting on a control volume  can be described as follows

The forces acting on a control volume consist of body forces that act throughout the entire body of the control volume (such as gravity, electric, and magnetic forces) and surface forces that act on the control surface (such as pressure and viscous forces and reaction forces at points of contact).

The net force acting on a control volume is determined by the sum of all body and surface forces .

Fluid weight is a body force, Pressure is a surface force which is acting per unit area.

Step 2 of 3

Step 3 of 3

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Describe body forces and surface forces, and explain how