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(3: Jilmx ’ ‘ _ _ W H i' x =— 5/8: 8*? 9‘15 m m 652; ......._..4_u.ur—uun.n.u..._n __‘ A" ___ __I _ __ ‘ “u MauiIIm Sample Common Final Exam ESM 2104 Closed book and closed notes, but you may use one 81/2" x 11" formula sheet . Sign the following pledge:
l have neither given nor received unauthorized aid on this exam. 1. The magnitude of the resultant of the 2 force vectors is most nearly 700 N a. 1200 N
1130N
1091 N
758 N 400 N
451 N a 80N force P is applied at point C. The moment of the force P = 80 N
[bout the point A is most nearly. RN (16.4i—78.1j)Nm
(78.1i+16.4j)Nm
(49.3i—78.1j)Nm
(78.1i+49.3j)Nm —61.7kNm
61 .7kNm
—28.9kNm
28.9kNm f.‘ 'the triangular area shown the area moment of 6”
rtia about the line aa is 162 in“. The area moment
nertia about the line bb is most nearly 1782 in.4 9" 3
1563 in.4 6"
1134 in.4 1 162 in.4 b """""""""""""""""""""""""""""""" """ " b
810 in.4
1458 in.4 l a force in member F6 is most nearly. 800 lb T
800 lb C
1000 lb T
1000 lb C
1200 lb T
1200 lb C 7999.6 5. The force P = 120 lb is applied to the 200lb block when it is at
rest. The magnitude and direction of the friction force exerted by
the surface on the block is most nearly 52.0 lb up the slope
52.0 lb down the slope
39.7 lb up the slope
39.7 lb down the slope
33.0 lb up the slope
33.0 lb down the slope
12.76 lb up the slope
12.76 lb down the slope ensuring!» 6. 3 area moment of inertia about the y axis for the area
ween the straight line and the parabola is 4
a ______ u N amend a b0
# CD
3 >4 4
3? V II II
7. a centroid is located at 2 2 WM
900 x = 4.00in., y = 3.50m. u u
x = 4.00in., y = 2.94m. 5 5 u
x=40mm,y=25mm ¢' 7 x = 4.00in., y = 2.38in. x = 4.00in., y = 2.00m. O
8"
8. r the same area of the previous problem, the area moment
inertia about the yaxis is most nearly 229 in.4
493 in.4
578 in.4
848 in.4
e. 1008 in.4 9. 10. ar 11 The moment of the 250N force about point A is most nearly
9m / ‘_1_6‘m‘_ F=250N
a. (0i+0j—3000k)Nm B / b. (0i—2250j+0k)Nm T ““N‘Df ; i
(0i—2250j—3000k)Nm 12m ___ i i E
d. (0i+2250j+3000k)Nm ;/ ‘lT‘i/L‘NN x
e. (3000i+0j—2250k)Nm /f\\~\4‘/
f. (—3000i + 0j + 2250k)Nm Z c
The cylinder is pinned at O and has a radius of 2 in. There is H = 0 22
a cable that goes around the cylinder. The minimum 5 = 0'15
moment M that will allow the cylinder to begin to turn is most “1‘ '
nearly P = 50 1b 180.6 in.lb
299 in.lb
354 in.lb
500 in.lb
500 in.lb a. uniform sign weighs 320 lb and is supported by a ball
(et joint at A and by two cables. iforce in cable ED is most nearly 142.6 lb
173.5 lb
92.0 lb
76.5 lb
225 lb force in cable CE is most nearly 78.9 lb
235 lb
42.7 lb
356 lb
325 lb xcomponent of the force in the pin at A is most nearly 320lb
160lb
390lb
d. 25.4lb
e. 73.8lb Members ABC, BDH, and DOE are rigid bodies. The weight of each member may be neglected. 14. The force on the roller at H is most nearly a. 1050 lb l 550 lb 471 lb
352 lb
293 lb 15 3 force in the pin at C is most nearly 525 lb
825 lb 550 lb 734 lb 978 lb 16 3 force in the pin at D is most nearly
855 lb
825 lb
525 lb 300 lb
225 lb Be
fOI long 1/3 of the beam. 17 3 force under the roller at C is most nearly
3200 lb
3000 lb
2800 lb 2400 lbft AC is pinned at A and on a roller at C. There is a point moment applied at B, and a distributed 900 lb/ft 1800 lb 0 18 3 largest absolute value of the shear force in the beam is
800 lb
1800 lb
2800 lb
900 lb
4500 lb
19 3 largest absolute value of the bending moment in the beam is
3200 lbft
4000 lbft
4360 lbft
11200 lbft
2400 lbft
20 3 largest absolute value of the bending moment occurs most nearly at
A
B
C
6.00 ft to the right of A 7.23 ft to the right of A
8.89 ft to the right of A ...
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 '09
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