PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Chapter 17, Problem 112P
The circular concrete culvert rols with an angular velocity of ω = 0.5 rad/s when the man is at the position shown. At this instant the center of gravity of the culvert and the man is located at point G, and the radius of gyration about G is kG = 3.5 ft. Determine the angular acceleration of the culvert. The combined weight of the culvert and the man is 500 lb. Assume that the culvert rolls without slipping, and the man does not move within the culvert.
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The circular concrete culvert rolls with an angular velocity of w = 0.5 rad/s
when the man is at the position shown in (Figure 1). At this instant the center of
gravity of the culvert and the man is located at point G, and the radius of
gyration about G is kg = 3.5 ft.
Figure
4 ft
0.5 ft
1 of 1 >
Part A
Determine the angular acceleration of the culvert. The combined weight of the culvert and the man is 500 lb. Assume that the culvert rolls without slipping, and the man does not move within
the culvert.
Express your answer in radians per second squared to three significant figures.
α =
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rad/s²
The circular concrete culvert rolls with an angular velocity of
w = 0.58 rad/s when the man is at the position shown. At
this instant the center of gravity of the culvert and the man is
located at point G, and the radius of gyration about G is KG
= 3.7 ft.
(Figure 1)
Figure
W
4 ft
0.5 ft
1 of 1
Part A
Determine the angular acceleration of the culvert. The combined weight of the culvert and the man is 500 lb. Assume that the culvert rolls without
slipping, and the man does not move within the culvert.
Express your answer to three significant figures and include the appropriate units.
α=
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The uniform 50-kg sphere has radius r = 0.2 m and is
welded to the center of the uniform 30-kg shaft as
shown. When a constant couple moment M is applied
to the shaft, its angular velocity reaches 74 rad/s after
4 s. Determine the magnitude of the moment M.
Write your answer in N.m but do not write the units.
M
R= 0.1 m
Taylor e m
Te am
Answer:
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Chapter 17 Solutions
PEARSON ETEXT ENGINEERING MECH & STATS
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