12.0 m 8.0 m c40°
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter1: Heat, Temperature, And Pressure
Section: Chapter Questions
Problem 17RQ: Convert 22C to Fahrenheit.
Related questions
Question
A ladder carried by a fire truck is 20.0 m
long. The ladder weighs 3400 N and its center of gravity is at its center.
The ladder is pivoted at one end (A) about a pin (Fig. ); ignore
the friction torque at the pin. The ladder is raised into position by a
force applied by a hydraulic piston at C. Point C is 8.0 m from A, and
the force F S exerted by the piston makes an angle of 40° with the ladder.
What magnitude must F S have to just lift the ladder off the support
bracket at B? Start with a free-body diagram of the ladder.
![12.0 m
8.0 m
c40°](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F867d2e1c-4898-4455-a133-5ff1559375cc%2Ff84db962-b073-4228-a230-d7383ce45dec%2Fczh5s6s_processed.jpeg&w=3840&q=75)
Transcribed Image Text:12.0 m
8.0 m
c40°
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