PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Problem 7.1
Part A
In (Figure 1), F₁ = 550 lb, F2 = 250 lb, and F3 = 340 lb.
Figure
F
F
B
Part B
Determine the shear force at point C.
Express your answer to three significant figures and include the appropriate units.
Vc=522
?
lb
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Part C
Determine the moment at point C.
Express your answer to three significant figures and include the appropriate units.
1 of 1
Mc = 1867
F
E
D
lb.ft
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Part D
6 ft-
4 ft-
4 ft-
6 ft
12 ft
Sketch h, for Problem 13.64
13
13.65 In Sketch i the tension on the slack side of the left pulley
is 20% of that on the tight side. The shaft rotates at 1000
rpm. Select a pair of deep-groove roller bearings to sup-
port the shaft for 99% reliability and a life of 20,000 hr.
Assume Eq. (13.83) can be used to account for lubricant
cleanliness. All length dimensions are in millimeters.
b
Z
02
0
y
200
500.
187
100
30°
B
TONE 500 diam
800 N
650 diam
100 N
Sketch i, for Problem 13.65
வ
Problem 2: Consider the rectangular wood beam below. Use E=1.0.
1. Determine the slope at A.
2. Determine the largest deflection between A and B.
Use the elastic curve equation. Show all work. (20%)
3 kN/m
A
2.4 m -
50 mm
AT
150 mm
0000
- B
C
1.2 m→
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