8 ft т 4 ft 780 lb Probs. 5-37/38

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.61P
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The cantilevered jib crane is used to support the load of 780 lb. If the trolley T can be placed anywhere between 1.5 ft ≤ x ≤ 7.5 ft, determine the maximum
magnitude of reaction at the supports A and B. Note that the supports are collars that allow the crane to rotate freely about the vertical axis. The collar at B supports a force in the vertical direction, whereas the one at A does not.

8 ft
т
4 ft
780 lb
Probs. 5-37/38
Transcribed Image Text:8 ft т 4 ft 780 lb Probs. 5-37/38
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