Problem 2-82. If the direction of the resultant force acting on the eyebolt is defined by the
unit vector u F = cos ( 30 deg) j sin( 30 deg) k, determine the coordinate direction angles of
R
F3 and the magnitude of FR.
Given: F1 700 lbf
1 30 deg
1 60 de
10.25.
Solution:
Composite Parts: the composite area can be subdivided into three segments as shown in the
figure. The perpendicular distance measured from the centroid of teach segment to the x axis is
also indicated
Moment of inertia: the moment of iner
Louisiana State University
(1,
EELS" Department of Civil & Environmental Engineering
Fall 2016 - CE 2450 (Statics) Quiz # 3 (11/18/2016)
Section # 1:
When you assume tipping when dealing with slipping & tipping problems, which of the following two
assum
Today I got to go to church up in Morgan, and it was such a good three hours! I am
continually impressed by the strength that is in this little town, and I have never seen
such a strength spiritually anywhere else. Last week was the Mountain Top Mission
a
C
r
r sin
2
3
d semicircle arcs
r
3
1
Ix =C r 4 ( + 1 sin 2 )
4
2 x
4r
3
Circular sector area
Quarter circle area
Write your name and section number on your Bluebook and exam paper.
No questions about exam problems will be allowed once the exam begins. I
CE 2450 Statics
Exam #2
Spring 2014
Write your name and section number on your Bluebook and exam paper.
No questions about exam problems will be allowed once the exam begins. If you
need to make an assumption, write it down clearly in your Bluebook.
Show
CE 2450 Statics
Exam #1
Spring 2014
Write your name and section number on your Bluebook and exam paper.
No questions about exam problems will be allowed once the exam begins. If you
need to make an assumption, write it down clearly in your Bluebook.
Show