The crane truck has a weight of 14250 lb and a center of gravity at point CG. The parking brake only locks the rear wheels of the truck, so the front wheels are free to rotate. Determine the maximum force F applied at the angle 0 = 39° that can be exerted on the crane without it slipping or tipping for each of the following cases: Case 1: The static friction coefficient between the rear tires and the ground is μg = 0.080. Case 2: The static friction coefficient between the rear tires and the ground is 0 11

Elements Of Electromagnetics
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The crane truck has a weight of 14250 lb and a center of
gravity at point CG. The parking brake only locks the rear
wheels of the truck, so the front wheels are free to rotate.
Determine the maximum force F applied at the angle
0 = 39° that can be exerted on the crane without it slipping
or tipping for each of the following cases:
Case 1: The static friction coefficient between the rear tires
and the ground is μg = 0.080.
Case 2: The static friction coefficient between the rear tires
and the ground is μg = 0.41.
CGD
a
b
D
Variable Value
7 ft
8 ft
C
5 ft
d
5 ft
h
8.5 ft
For Case 1, the constraint is (slipping
Fmax
1,027
For Case 2, the constraint is (slipping
Fmax
12,349
-
ажь
Values for dimensions on the figure are given in the following
table. Note the figure may not be to scale.
x lbs.
74 0800
x lbs.
Swanbom
2013 Mich SA
and
X and
Transcribed Image Text:The crane truck has a weight of 14250 lb and a center of gravity at point CG. The parking brake only locks the rear wheels of the truck, so the front wheels are free to rotate. Determine the maximum force F applied at the angle 0 = 39° that can be exerted on the crane without it slipping or tipping for each of the following cases: Case 1: The static friction coefficient between the rear tires and the ground is μg = 0.080. Case 2: The static friction coefficient between the rear tires and the ground is μg = 0.41. CGD a b D Variable Value 7 ft 8 ft C 5 ft d 5 ft h 8.5 ft For Case 1, the constraint is (slipping Fmax 1,027 For Case 2, the constraint is (slipping Fmax 12,349 - ажь Values for dimensions on the figure are given in the following table. Note the figure may not be to scale. x lbs. 74 0800 x lbs. Swanbom 2013 Mich SA and X and
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