Applied Statics and Strength of Materials (6th Edition)
6th Edition
ISBN: 9780133840544
Author: George F. Limbrunner, Craig D'Allaird, Leonard Spiegel
Publisher: PEARSON
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Chapter 21, Problem 21.6P
Draw complete shear and moment diagrams for the fixed beams shown.
Select the lightest structural steel
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Procedure: 1- Cartesian system, 2(D)/(3)D, type of support 2- Free body diagram 3 - Find the support reactions 4- If you find a negative number then flip the force 5- Find the internal force 3D \sum Fx=0 \sum Fy=0 \sum Fz=0 \sum Mx=0 \sum My=0 \Sigma Mz=0 2D \Sigma Fx=0 \Sigma Fy=0 \Sigma Mz=0 5- Use method of section and cut the element where you want to find the internal force and keep either side of the section
Procedure: 1- Cartesian system, 2(D)/(3)D, type of support 2- Free body diagram 3 - Find the support reactions 4- If you find a negative number then flip the force 5- Find the internal force 3D \sum Fx=0 \sum Fy=0 \sum Fz=0 \sum Mx=0 \sum My=0 \Sigma Mz=0 2D \Sigma Fx=0 \Sigma Fy=0 \Sigma Mz=0 5- Use method of section and cut the element where you want to find the internal force and keep either side of the section
For each system below with transfer function G(s), plot the pole(s) on the s-plane.
and indicate whether the system is:
(a) "stable" (i.e., a bounded input will always result in a bounded output),
(b) "marginally stable," or
(c) "unstable"
Sketch a rough graph of the time response to a step input.
8
a) G(s) =
5-5
8
b) G(s) =
c) G(s) =
=
s+5
3s + 8
s² - 2s +2
3s +8
d) G(s):
=
s²+2s+2
3s+8
e) G(s):
=
s² +9
f) G(s):
8
00
==
S
Chapter 21 Solutions
Applied Statics and Strength of Materials (6th Edition)
Ch. 21 - Prob. 21.1PCh. 21 - Prob. 21.2PCh. 21 - Use the method of superposition to determine the...Ch. 21 - Draw complete shear and moment diagrams for the...Ch. 21 - Draw complete shear and moment diagrams for the...Ch. 21 - Draw complete shear and moment diagrams for the...Ch. 21 - Determine the reactions for the beam shown.Ch. 21 - Prob. 21.8PCh. 21 - 21.9 Select a southern pine timber beam () for the...Ch. 21 - For the continuous beams shown, find moments at...
Ch. 21 - For the continuous beams shown, find moments at...Ch. 21 - For the continuous beams shown, find moments at...Ch. 21 - Prob. 21.13SPCh. 21 - Prob. 21.14SPCh. 21 - Prob. 21.15SPCh. 21 - Prob. 21.16SPCh. 21 - Prob. 21.17SPCh. 21 - Prob. 21.18SPCh. 21 - Prob. 21.19SPCh. 21 - Prob. 21.20SPCh. 21 - For these problems, use any appropriate method of...Ch. 21 - For these problems, use any appropriate method of...Ch. 21 - Prob. 21.23SPCh. 21 - For these problems, use any appropriate method of...
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