Problem 4.6 The support at the left end of the beam will fail if the moment about P due to the 20-kN force 20 kN exceeds 35 kN-m. Based on this criterion, what is the maximum safe value of the angle a in the range 0
Problem 4.6 The support at the left end of the beam will fail if the moment about P due to the 20-kN force 20 kN exceeds 35 kN-m. Based on this criterion, what is the maximum safe value of the angle a in the range 0
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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Transcribed Image Text:Problem 4.6 The support at the left end of the beam
will fail if the moment about P due to the 20-kN force
20 kN
exceeds 35 kN-m. Based on this criterion, what is the
maximum safe value of the angle a in the range 0<a S
90°?
Solution:
Mp = dF sin a
Mp - (2)(20 kN) sin a kN-m
Set Mp - 35 kN-m and solve
20 kN
35
for a sin a =
40
amax = 61.0°
2m
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