The mechanism shown is used to lower handicapped persons into a whirlpool tub for therapeutic treatment. In the unloaded configuration, the weight of the boom and hanging chair induces a compressive force of 695 N in hydraulic cylinder AB. (Compressive means that the force which cylinder AB exerts on point B is directed from A towards B.) If 0 = 20°, determine the moment made by this cylinder force which acts on point B about (a) point O and (b) point C. The moments are positive if counterclockwise, negative if clockwise.
The mechanism shown is used to lower handicapped persons into a whirlpool tub for therapeutic treatment. In the unloaded configuration, the weight of the boom and hanging chair induces a compressive force of 695 N in hydraulic cylinder AB. (Compressive means that the force which cylinder AB exerts on point B is directed from A towards B.) If 0 = 20°, determine the moment made by this cylinder force which acts on point B about (a) point O and (b) point C. The moments are positive if counterclockwise, negative if clockwise.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Question 46 of 46
The mechanism shown is used to lower handicapped persons into a whirlpool tub for therapeutic treatment. In the unloaded
configuration, the weight of the boom and hanging chair induces a compressive force of 695 N in hydraulic cylinder AB. (Compressive
means that the force which cylinder AB exerts on point B is directed from A towards B.) If 0 = 20° determine the moment made by this
cylinder force which acts on point Babout (a) point O and (b) point C. The moments are positive if counterclockwise, negative if
clockwise.
830
320
140
85
150
170
820
155
165-
Dimensions in millimeters
Answers:
N-m
Mo =
N.m
Mc =
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