7.7 The center of gravity of the 50-kg spool is at G. A cable wound around the hub of the spool is attached to the 30-kg block B. The coefficients of static friction are 0.15 under the spool and 0.2 under the block. Determine the largest counterclockwise couple Co that can be applied to the spool without disturbing the equilibrium of the system 1.2 m 0.3 m G 0.6 m Co 0.5 m В 2 Fig. P7.7 7.41 The 2000-lb weight of the trailer is distributed equally between its two wheels, one on each side of the trailer. The center of gravity is at G, and the wheels are free to rotate. Determine whether the trailer can be pushed over a 6-in curb without tipping, and, if so, compute the required horizontal force P. R = 12 in P |20 in. A |-36 in.- 18 in 4 0.4 6 in Fig. P7.41
7.7 The center of gravity of the 50-kg spool is at G. A cable wound around the hub of the spool is attached to the 30-kg block B. The coefficients of static friction are 0.15 under the spool and 0.2 under the block. Determine the largest counterclockwise couple Co that can be applied to the spool without disturbing the equilibrium of the system 1.2 m 0.3 m G 0.6 m Co 0.5 m В 2 Fig. P7.7 7.41 The 2000-lb weight of the trailer is distributed equally between its two wheels, one on each side of the trailer. The center of gravity is at G, and the wheels are free to rotate. Determine whether the trailer can be pushed over a 6-in curb without tipping, and, if so, compute the required horizontal force P. R = 12 in P |20 in. A |-36 in.- 18 in 4 0.4 6 in Fig. P7.41
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:7.7 The center of gravity of the 50-kg spool is at G. A cable wound around
the hub of the spool is attached to the 30-kg block B. The coefficients of static
friction are 0.15 under the spool and 0.2 under the block. Determine the largest
counterclockwise couple Co that can be applied to the spool without disturbing
the equilibrium of the system
1.2 m
0.3 m
G
0.6 m
Co
0.5 m
В
2
Fig. P7.7
Transcribed Image Text:7.41 The 2000-lb weight of the trailer is distributed equally between its two
wheels, one on each side of the trailer. The center of gravity is at G, and the
wheels are free to rotate. Determine whether the trailer can be pushed over a 6-in
curb without tipping, and, if so, compute the required horizontal force P.
R = 12 in
P
|20 in.
A
|-36 in.-
18 in
4 0.4
6 in
Fig. P7.41
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