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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Textbook Question
Chapter 3, Problem 3.41P
A body is subjected to the following three couples: (a) 30-lb forces, 3-in. arm, counterclockwise; (b) 20-lb forces, 6-in. arm, counterclockwise; (c) 10-lb forces, 5-in. arm, clockwise. Determine the required magnitude of the forces of a single resultant couple, equivalent to the three given couples, and having a 2.5-in. arm.
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6 in.
6 in.
160 lb-in.
18 in.
B
30 lb
34 lb
H
18 in.
12 in.
D
6 in.
8 in.
in.
Determine whether the force-and-couple system shown
can be reduced to a single equivalent force R. If it can,
determine R and the point where the line of action of R
intersects the yz-plane. If it cannot be so reduced, replace
the given system with an equivalent wrench and
determine its resultant, its pitch, and the point where its
axis intersects the yz-plane.
PLS be legible with your work! I thought it was 2.13 and 3.81, respectively, but I think I'm missing a step. Thx!
Required information
NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part.
Consider three forces A, B, and C, where A = 195 N, B = 170 N, and C = 255 N. A collar that can slide on a vertical rod is
subjected to the three forces shown.
Determine the required value of a if the resultant of the three forces is to be horizontal.
The required value of a for the resultant of the three forces to be horizontal is
Chapter 3 Solutions
Applied Statics and Strength of Materials (6th Edition)
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