A Type I offshore life jacket (i.e. personal flotation device) is the type worn by commercial fishermen - it is designed for extended survival in rough, open seawater. Consider such a life jacket that uses an impermeable foam material with a density of 32 kg/m³-the other parts of the life jacket (straps, fasteners, etc) weigh 0.6 kg and are of negligible volume to the design. a. Draw a free body force diagram for the life jacket. b. Determine the minimum volume of foam material (in L) that is needed for the life jacket in order to provide a minimum 98 N net upward force when it is fully submerged in seawater (as required by US Coast Guard regulations).
A Type I offshore life jacket (i.e. personal flotation device) is the type worn by commercial fishermen - it is designed for extended survival in rough, open seawater. Consider such a life jacket that uses an impermeable foam material with a density of 32 kg/m³-the other parts of the life jacket (straps, fasteners, etc) weigh 0.6 kg and are of negligible volume to the design. a. Draw a free body force diagram for the life jacket. b. Determine the minimum volume of foam material (in L) that is needed for the life jacket in order to provide a minimum 98 N net upward force when it is fully submerged in seawater (as required by US Coast Guard regulations).
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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![A Type I offshore life jacket (i.e. personal flotation device) is the type worn by commercial fishermen - it is designed
for extended survival in rough, open seawater. Consider such a life jacket that uses an impermeable foam material
with a density of 32 kg/m³ - the other parts of the life jacket (straps, fasteners, etc) weigh 0.6 kg and are of negligible
volume to the design.
a. Draw a free body force diagram for the life jacket.
b.
Determine the minimum volume of foam material (in L) that is needed for the life jacket in order to provide a
minimum 98 N net upward force when it is fully submerged in seawater (as required by US Coast Guard
regulations).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fca6b5de9-d666-4be4-bec5-372f49facd74%2F5e83c13a-b3bf-4c78-88f9-6dcbe28a21de%2Frbjxkmd_processed.png&w=3840&q=75)
Transcribed Image Text:A Type I offshore life jacket (i.e. personal flotation device) is the type worn by commercial fishermen - it is designed
for extended survival in rough, open seawater. Consider such a life jacket that uses an impermeable foam material
with a density of 32 kg/m³ - the other parts of the life jacket (straps, fasteners, etc) weigh 0.6 kg and are of negligible
volume to the design.
a. Draw a free body force diagram for the life jacket.
b.
Determine the minimum volume of foam material (in L) that is needed for the life jacket in order to provide a
minimum 98 N net upward force when it is fully submerged in seawater (as required by US Coast Guard
regulations).
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