Homework Set #2
COE 2001
Due Date: February 4, 2015 (in class)
Note: for full credit show all your work
1.
P1
(25 points)
Figure P1
P2
2.
(25 points)
Figure P2
3. Three traffic signal lanterns hang from a cable, as shown in Figure P3. Each
lantern weighs
. Neglect the weight of the beam in Figure 1.
(a). Find the reaction exerted on the beam by the support A. (30 points)
(b). How would your answer to part (a) change if a vertical upward force of 500 N is added at the
right end of the beam and a clockwise
1. Two cylinders A and B rest on a wedge, as shown in Figure 1. They are connected by a
horizontal cable. The weight of cylinder A is WA = 20 lb. Neglect friction and the mass of the
cable.
(a). Draw free—body diagrams of cylinder A and cylinder B; (25 po
Homework Set #7
COE 2001
Due Date: Wednesday, April 22, 2015 (in class)
Note: for full credit show all your work
1. The two bars in Figure P1 are pinned together at C. Find the pin reactions at A
and B. (25 points)
A
100 N
45o
C
B
2m
3m
4m
Figure P1
2. Fi
Homework Set #6
COE 2001 Section
Due Date: Monday, April 13, 2015 (in class)
Note: for full credit show all your work
1. Find the centroid of the shaded area in Figure P1. (25 points)
Figure P1
2. Find the centroid of the shaded area in Figure P2. (25 poi
Homework Set #5
COE 2001
Due Date: Monday, March 23, 2015 (in class)
Note: for full credit show all your work
1. Member AD in Figure P1 is supported by cables CE, BG, and BF, and by a balland-socket at A. Find the tensions in CE and BF if the tension in B
5.2? In Figure P627 ﬁnd the minimum coefﬁcient of
friction between the .bar and the ﬂoor for which the bar
can be in equilibrium in the given position.
,u’
00*? t"
g a = 30°
Figure 96.2? 6.40 In Figure P6.4O the coefﬁcient of friction u is the
same b
P1.
P2.
P3.
P4.
P5. The beam in the figure shown below is supported by cables EC and GC, and by a balland-socket at A. Neglect the weight of the beam.
a) On a separate figure, draw a complete free body diagram of beam AB.
b) Determine the reactions at poi
Homework Set #1
COE 2001
Due Date: January 21, 2015 (in class)
Note: for full credit show all your work
1.
(25 points)
2.
P2.
(25 points)
Figure P2
3.
P3.
(25 points)
Figure P3
4. (25 points)
250
Figure P4.
sum.
Figure P4