0.6 m 0.4 m -2.0 m 0.3 m C B E F 3 kN W 50 kN K 2.0 m 2.0 m - 0.5 m חו 0.9 A load of lumber of weight W is raised as shown by a mobile crane. At this instant, the wheel at H is locked and the wheel at K is free to rotate. The external load W is attached via a hook to a cable that is supported by frictionless pulleys A and E, attached to boom ABC, and the cable is secured to a motorized winch under the hood. Boom ABC is supported by both boom BF and rod CD via hinge joints at B and C, respectively. The piston rod CD is also hinged at D and is used to change the angle of boom ABC by pivoting the boom about hinge B; at this instant, AB is horizontal and CD is vertical, as shown. The weight of the boom ABC and the weight of the vehicle body are 3kN (acting at 2.0 m from A, as shown) and 50KN (acting 2.0 m from H, as shown), respectively. All dimensions are in meters. A. Determine the maximum operating load W that can be sustained without tip over.
0.6 m 0.4 m -2.0 m 0.3 m C B E F 3 kN W 50 kN K 2.0 m 2.0 m - 0.5 m חו 0.9 A load of lumber of weight W is raised as shown by a mobile crane. At this instant, the wheel at H is locked and the wheel at K is free to rotate. The external load W is attached via a hook to a cable that is supported by frictionless pulleys A and E, attached to boom ABC, and the cable is secured to a motorized winch under the hood. Boom ABC is supported by both boom BF and rod CD via hinge joints at B and C, respectively. The piston rod CD is also hinged at D and is used to change the angle of boom ABC by pivoting the boom about hinge B; at this instant, AB is horizontal and CD is vertical, as shown. The weight of the boom ABC and the weight of the vehicle body are 3kN (acting at 2.0 m from A, as shown) and 50KN (acting 2.0 m from H, as shown), respectively. All dimensions are in meters. A. Determine the maximum operating load W that can be sustained without tip over.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
Transcribed Image Text:B.
For an assumed load W of 25 kN, determine the tension in the cable.
C.
What are the magnitudes and directions of the reaction forces in the hinges at A
and E that support the pulleys?
D.
Based on a free body diagram analysis of boom ABC, determine the magnitude of
the force in rod CD.
Transcribed Image Text:0.6 m 0.4 m
-2.0 m
-0.3 m
C
A
B
E
F
D
3 kN
50 kN
H
K
2.0 m
-2.0 m - 0.5 m
0.9 m
A load of lumber of weight W is raised as shown by a mobile crane. At this instant, the wheel at
H is locked and the wheel at K is free to rotate. The external load W is attached via a hook to a
cable that is supported by frictionless pulleys A and E, attached to boom ABC, and the cable is
secured to a motorized winch under the hood. Boom ABC is supported by both boom BF and
rod CD via hinge joints at B and C, respectively. The piston rod CD is also hinged at D and is
used to change the angle of boom ABC by pivoting the boom about hinge B; at this instant, AB
is horizontal and CD is vertical, as shown. The weight of the boom ABC and the weight of the
vehicle body are 3kN (acting at 2.0 m from A, as shown) and 50KN (acting 2.0 m from H, as
shown), respectively. All dimensions are in meters.
A.
Determine the maximum operating load W that can be sustained without tip over.
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