PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Solve correctly
3. For the system shown,
a. Determine the equivalent force-couple
300 N
200N
400 N
3m-
4 m
system at the base at C. Express the
resultants in vector form. (Hint: This is not
B
a static equilibrium problem)
b. Write the reaction forces at C support in
2 m
600 Nm
vector form
200 N
7 m
The combined action of the three forces on the base at O may be obtained by establishing their resultant through O. Determine the
magnitudes of R and the accompanying couple M.
Assume F1 = 420 lb, F2 = 580 lb, F3 = 410 lb, a = 6.8 ft, b = 2.9 ft, c = 3.3 ft, and 0 = 44°.
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